{ "timestamp": "2026-05-27T17:02:53.638Z", "reference_set_size": 36, "methodology": "Each model was given the WotC bracket framework + 53-card Game Changers list + each decklist (no engine code, no calculator, no web). Asked to assign predicted_bracket (1-5) and predicted_power (1.0-10.0) independently from MTG knowledge. Subagent-driven via Claude Code (no API). Re-run on the 36-deck reference set 2026-05-27.", "models": { "claude-sonnet-4-6": { "accuracy": { "bracket_in_range": { "pass": 34, "total": 36, "pct": 94.4 }, "bracket_within_1": { "pass": 36, "total": 36, "pct": 100 }, "bracket_exact": { "pass": 34, "total": 36, "pct": 94.4 }, "power_in_range": { "pass": 33, "total": 36, "pct": 91.7 } }, "verdicts": [ { "id": "wotc-precon-silverquillstatement-c21", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Stock C21 precon with zero Game Changers; political/goad theme, generically fair suite of signets and basics-heavy mana, no infinite combos.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-prismariperformance-c21", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Stock C21 spellslinger precon with zero Game Changers; ramp and draw package is precon-level despite a few splashy spells like Mind's Desire.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-quantumquandrix-c21", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Stock C21 tokens/counters precon with zero Game Changers; synergy-focused but entirely unoptimized at precon power level.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-witherbloomwitchcraft-c21", "predicted_bracket": 2, "predicted_power": 3, "reasoning": "Stock C21 lifegain precon with zero Game Changers; slow, life-manipulation theme with no combos and basic ramp suite.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-loreholdlegacies-c21", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Stock C21 artifact/recursion precon with zero Game Changers; Osgir artifact recursion is fun but the list is entirely precon-power with no combos.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-abzanarmor-tdc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Abzan walls/defenders precon with one Game Changer (Seedborn Muse); focused tribal theme at clear precon power level with a single GC inclusion.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": false }, { "id": "wotc-precon-jeskaistriker-tdc", "predicted_bracket": 2, "predicted_power": 4, "reasoning": "Jeskai spells/prowess precon with zero Game Changers; relatively dense cantrip suite and good mana fixing but still precon-level construction.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-mardusurge-tdc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Mardu tokens precon with zero Game Changers; token-go-wide strategy at precon power with Skullclamp value engine but no Game Changers.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-sultaiarisen-tdc", "predicted_bracket": 2, "predicted_power": 4, "reasoning": "Sultai graveyard precon with zero Game Changers; graveyard synergy package is cohesive and somewhat powerful but stock precon build with no GC inclusions.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-temurroar-tdc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Temur dragons precon with zero Game Changers; dragon tribal at precon power level, good fixing but no combos and fully unoptimized.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-eternalmight-drc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Esper zombie precon with zero Game Changers; The Scarab God is powerful but the surrounding package is entirely precon-level with no combos.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-livingenergy-drc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Temur artifacts/energy precon with zero Game Changers; Saheeli artifact theme is coherent but the list is unoptimized with no two-card combos.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-counterblitzfinalfantasyx-fic", "predicted_bracket": 2, "predicted_power": 4, "reasoning": "Final Fantasy X Bant counters precon with one Game Changer (Farewell); Walking Ballista with counter synergies raises power slightly but remains a precon-tier list.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": false }, { "id": "wotc-precon-20waystowin-sld", "predicted_bracket": 3, "predicted_power": 5, "reasoning": "Secret Lair alternate-win-condition deck with two Game Changers (Seedborn Muse and Rhystic Study implied — actually Seedborn Muse and Mystic Remora); multiple alternate win conditions and Seedborn Muse warrants Bracket 3 placement.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-creativeenergy-m3c", "predicted_bracket": 3, "predicted_power": 5, "reasoning": "Esper/Jeskai artifacts precon with two Game Changers (Farewell and Smothering Tithe implied — actually Farewell); Satya copying artifacts with Farewell and a higher-power artifact suite lands this at Bracket 3.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-deadlydisguise-mkc", "predicted_bracket": 3, "predicted_power": 4.5, "reasoning": "Naya morph/facedown precon with two Game Changers (Jeska's Will, Seedborn Muse); the GC count and focused synergy push it into Bracket 3 territory.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-deepcluesea-mkc", "predicted_bracket": 3, "predicted_power": 5, "reasoning": "Bant clues/tokens precon with one Game Changer (Farewell); Chulane and Selvala inclusions plus strong draw synergies make this notably above precon floor despite only one GC.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-kinnan-infinite-mana", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Full cEDH Kinnan list with multiple GC heavy hitters (Grim Monolith, Chrome Mox, Mox Diamond, Fierce Guardianship, Force of Will, Consecrated Sphinx, Rhystic Study, The One Ring, Mana Vault) and a Kinnan+Basalt Monolith infinite mana win line.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-thrasios-tymna-blue-farm", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Tournament-tuned Blue Farm list with full fast-mana suite (Chrome Mox, Mox Diamond, Ancient Tomb, Mana Vault), 10+ Game Changers including Demonic Tutor, Vampiric Tutor, Gaea's Cradle, and Thassa's Oracle combo.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-najeela-blade-blossom", "predicted_bracket": 5, "predicted_power": 9.8, "reasoning": "Top-tier cEDH Najeela 5-color list with Lion's Eye Diamond, full dual/fetch manabase, all major tutors, Underworld Breach storm, and Ad Nauseam; among the strongest formats in cEDH.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-tivit-stax", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "cEDH Tivit stax list with full luxury manabase, multiple GC stax pieces (Drannith Magistrate, Opposition Agent, Smothering Tithe, Cyclonic Rift), Thassa's Oracle combo, and heavy countermagic suite.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-rograkh-silas-turbo-naus", "predicted_bracket": 5, "predicted_power": 9.8, "reasoning": "Hyper-optimized turbo-Necropotence/Ad Nauseam list with Timetwister, Lion's Eye Diamond, Mox Diamond, Underworld Breach, and an extremely low curve built for turn-2/3 wins.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-kraum-tymna-breach", "predicted_bracket": 5, "predicted_power": 9.6, "reasoning": "Classic Breacher list with Kraum/Tymna, full 5-dual manabase, Lion's Eye Diamond, Underworld Breach storm, and all major black and white tutors alongside free interaction.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-halana-tymna-hulk", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Protean Hulk reanimator cEDH list with Survival of the Fittest, Natural Order, full tutor suite, and redundant hulk/karmic-guide combo lines backed by strong hatebears.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-tana-tymna-turbo-naus", "predicted_bracket": 5, "predicted_power": 9.6, "reasoning": "4-color turbo-Naus list with Lion's Eye Diamond, Grim Monolith, full Imperial Seal/Demonic Tutor/Vampiric Tutor suite, and Ad Nauseam/Underworld Breach backup win lines.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-yuriko-tempo", "predicted_bracket": 5, "predicted_power": 9.4, "reasoning": "Tournament-tuned Yuriko tempo/ninja list with full free-spell suite (Force of Will, Fierce Guardianship, Disrupting Shoal), top cEDH tutors, and Thassa's Oracle as a backup win condition.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-malcolm-tymna-esper-turbo", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Esper Malcolm/Tymna shell with Thassa's Oracle, full mox/fast-mana suite, all tutors including Imperial Seal, and heavy stax package with Opposition Agent, Drannith Magistrate, and Cursed Totem.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-sisay-tutors", "predicted_bracket": 5, "predicted_power": 9.3, "reasoning": "5-color Sisay tutor chain with Gaea's Cradle, full dual manabase, Mox Amber/Diamond, and a Kenrith/Emiel/Faeburrow infinite mana combo line backed by Sisay's built-in tutoring.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-kenrith-midrange", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "5-color Kenrith cEDH midrange with Necropotence, Ad Nauseam, Lion's Eye Diamond, Underworld Breach, all 9 original duals, and a full suite of tutors and free interaction.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-korvold-sacrifice", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "cEDH Korvold sacrifice with Bolas's Citadel, Necropotence, Ad Nauseam, Lion's Eye Diamond, Underworld Breach, and Crop Rotation to Gaea's Cradle lines backed by full tutors.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-krark-sakashima", "predicted_bracket": 5, "predicted_power": 9.4, "reasoning": "Izzet Krark/Sakashima storm with Lion's Eye Diamond, Underworld Breach, full fast-mana, and a Birgi/storm win line; highly tuned despite being a two-color strategy.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-rocco-tutor", "predicted_bracket": 5, "predicted_power": 9.3, "reasoning": "cEDH Rocco combo with Kiki-Jiki/Village Bell-Ringer infinite, Survival of the Fittest, Gaea's Cradle, full fast-mana suite, and multiple tutor layers including Food Chain backup.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-stella-lee", "predicted_bracket": 5, "predicted_power": 9.4, "reasoning": "Izzet Stella Lee storm with Lion's Eye Diamond, Underworld Breach, full fast-mana, and a Dramatic Reversal/storm combo line; hyper-optimized spell-copy storm deck.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-urdragon-highpower", "predicted_bracket": 4, "predicted_power": 7, "reasoning": "High-powered 5-color Dragon tribal with Vampiric Tutor, Demonic Tutor, Worldly Tutor, Enlightened Tutor, Rhystic Study, and The One Ring providing 5+ Game Changers; fast mana and premium tutors but no tier-1 cEDH win lines.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-atraxa-superfriends-2022", "predicted_bracket": 4, "predicted_power": 7.5, "reasoning": "High-powered Atraxa superfriends with Demonic Tutor, Vampiric Tutor, Mystical Tutor, Enlightened Tutor, Narset, Cyclonic Rift, Smothering Tithe, Farewell, and original duals providing 8+ Game Changers at a focused planeswalker strategy.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-atraxa-superfriends-primer", "predicted_bracket": 4, "predicted_power": 8, "reasoning": "Optimized Atraxa superfriends primer with Necropotence, Mana Vault, Ancient Tomb, Narset, Demonic Tutor, Vampiric Tutor, Smothering Tithe, Cyclonic Rift, Rhystic Study, and Teferi's Protection — 10+ Game Changers with a consistent Doubling Season + planeswalker ultimate strategy but not tournament-metagamed.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true } ] }, "claude-opus-4-7": { "accuracy": { "bracket_in_range": { "pass": 34, "total": 36, "pct": 94.4 }, "bracket_within_1": { "pass": 36, "total": 36, "pct": 100 }, "bracket_exact": { "pass": 34, "total": 36, "pct": 94.4 }, "power_in_range": { "pass": 30, "total": 36, "pct": 83.3 } }, "verdicts": [ { "id": "wotc-precon-silverquillstatement-c21", "predicted_bracket": 2, "predicted_power": 3.2, "reasoning": "Unmodified Orzhov politics/aristocrats precon with zero Game Changers and no infinite combos, sitting squarely at Core precon level.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-prismariperformance-c21", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Stock Izzet spellslinger precon with no Game Changers and a slow, durdly magecraft plan that tops out at precon power.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-quantumquandrix-c21", "predicted_bracket": 2, "predicted_power": 3.3, "reasoning": "Simic token-doubling precon, zero Game Changers and no infinite combos, a classic Core/Bracket-2 deck.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-witherbloomwitchcraft-c21", "predicted_bracket": 2, "predicted_power": 3.2, "reasoning": "Golgari lifegain/drain precon with Sanguine Bond but no Game Changers and no two-card infinite assembled, precon-level Core deck.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-loreholdlegacies-c21", "predicted_bracket": 2, "predicted_power": 3.4, "reasoning": "Boros artifact-recursion precon with no Game Changers and a grindy, non-combo plan, standard Core power.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-abzanarmor-tdc", "predicted_bracket": 2, "predicted_power": 3.2, "reasoning": "Abzan defenders/toughness-matters precon; Seedborn Muse is its lone Game Changer (1) but the build is pure precon, so high Bracket 2 bordering on 3.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": false }, { "id": "wotc-precon-jeskaistriker-tdc", "predicted_bracket": 3, "predicted_power": 4.2, "reasoning": "Jeskai spellslinger precon whose only Game Changer is none from the list but dense magecraft/value with Monastery Mentor pushes it to a focused upgraded feel, low Bracket 3.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": true }, { "id": "wotc-precon-mardusurge-tdc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Mardu tokens/aristocrats precon with Gix and Skullclamp value but zero Game Changers and no combo, a strong Core deck.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-sultaiarisen-tdc", "predicted_bracket": 2, "predicted_power": 3.6, "reasoning": "Sultai graveyard/reanimator precon with Dauthi Voidwalker but no Game Changers and no infinite, a high-end Core deck.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-temurroar-tdc", "predicted_bracket": 2, "predicted_power": 3.4, "reasoning": "Temur dragons precon, no Game Changers and a fair beatdown plan, standard Core/Bracket-2 power.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-eternalmight-drc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Esper zombies precon built around The Scarab God with no Game Changers and no combo, solid Core power.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-livingenergy-drc", "predicted_bracket": 2, "predicted_power": 3.4, "reasoning": "Temur energy/artifacts precon with Aetherflux Conduit synergy but zero Game Changers and no assembled infinite, Core level.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-counterblitzfinalfantasyx-fic", "predicted_bracket": 3, "predicted_power": 4, "reasoning": "Bant +1/+1 counters precon whose only listed Game Changer is Farewell (1), plus Walking Ballista lines nudge it to a low Bracket 3.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-20waystowin-sld", "predicted_bracket": 3, "predicted_power": 4.5, "reasoning": "Five-color alt-win-condition Secret Lair deck with Seedborn Muse (1 GC) and many narrow wincons like Approach, Test of Endurance, and Maze's End, a gimmicky upgraded Bracket 3.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-creativeenergy-m3c", "predicted_bracket": 3, "predicted_power": 4.3, "reasoning": "Jeskai energy/artifacts precon with Farewell as its lone Game Changer (1) and decent value engines, a low Bracket 3.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-deadlydisguise-mkc", "predicted_bracket": 3, "predicted_power": 4.2, "reasoning": "Temur disguise/morph precon with Jeska's Will and Seedborn Muse (2 Game Changers) and a value-engine plan, putting it in Bracket 3.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-deepcluesea-mkc", "predicted_bracket": 3, "predicted_power": 4.1, "reasoning": "Bant clues/investigate precon with Farewell as its single Game Changer (1) and a slow card-advantage plan, low Bracket 3.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-kinnan-infinite-mana", "predicted_bracket": 5, "predicted_power": 9.4, "reasoning": "Tournament-tuned Kinnan/Thrasios cEDH with Basalt Monolith + Kinnan infinite mana, full fast-mana suite, and free counters into Thrasios outlets.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-thrasios-tymna-blue-farm", "predicted_bracket": 5, "predicted_power": 9.7, "reasoning": "Quintessential Blue Farm cEDH list with duals, full fast mana, dense tutors and free interaction, and a Thassa's Oracle/Consultation win.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-najeela-blade-blossom", "predicted_bracket": 5, "predicted_power": 9.6, "reasoning": "Five-color Najeela cEDH with Underworld Breach + Thassa's Oracle, full fast mana, and a deep tutor/free-interaction package.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-tivit-stax", "predicted_bracket": 5, "predicted_power": 9.3, "reasoning": "Esper Tivit stax-combo cEDH with Time Sieve + Tivit infinite turns, hatebears like Drannith/Opposition Agent, and full interaction.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-rograkh-silas-turbo-naus", "predicted_bracket": 5, "predicted_power": 9.6, "reasoning": "Rakdos-aligned Rograkh/Silas turbo-Ad-Nauseam cEDH with LED, Underworld Breach, Necropotence, and an explosive ritual/storm win.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-kraum-tymna-breach", "predicted_bracket": 5, "predicted_power": 9.7, "reasoning": "Grixis Tymna/Kraum cEDH built on Underworld Breach + LED with Ad Nauseam, full tutors, and a free-counter wall.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-halana-tymna-hulk", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Abzan Tymna Hulk cEDH with Protean Hulk reanimator combo lines, full fast mana, tutors, and hatebears, tournament-tuned.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-tana-tymna-turbo-naus", "predicted_bracket": 5, "predicted_power": 9.4, "reasoning": "Mardu-aligned turbo-Ad-Nauseam cEDH with Necropotence/Necrodominance, full rituals and fast mana, and a storm-payoff win.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-yuriko-tempo", "predicted_bracket": 5, "predicted_power": 9.3, "reasoning": "Dimir Yuriko ninja-tempo cEDH with Thassa's Oracle/Consultation, free pitch counters, and a low-curve fast-mana shell.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-malcolm-tymna-esper-turbo", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Esper Tymna/Malcolm cEDH with Time Sieve + Tivit and Thoracle lines, full tutors and free interaction, tournament-tuned.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-sisay-tutors", "predicted_bracket": 5, "predicted_power": 9.2, "reasoning": "Five-color Sisay toolbox cEDH that tutors planeswalker/legend combos with Oath of Teferi, full fast mana and free counters.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-kenrith-midrange", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Five-color Kenrith cEDH with Underworld Breach + Thoracle/Consultation, full tutor and fast-mana suite, and free interaction.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-korvold-sacrifice", "predicted_bracket": 5, "predicted_power": 9.4, "reasoning": "Jund Korvold cEDH with Bolas's Citadel/Underworld Breach storm lines, full rituals, fast mana, and dense tutors.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-krark-sakashima", "predicted_bracket": 5, "predicted_power": 9.2, "reasoning": "Izzet Krark/Sakashima storm cEDH with Underworld Breach + Brain Freeze and a coin-flip ritual/Dualcaster engine, tournament-tuned.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-rocco-tutor", "predicted_bracket": 5, "predicted_power": 9.3, "reasoning": "Naya Rocco cEDH with Food Chain plus Kiki/Felidar combo toolbox, Survival/Birthing Pod tutors, and full fast mana.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-stella-lee", "predicted_bracket": 5, "predicted_power": 9.1, "reasoning": "Izzet Stella Lee spellslinger cEDH with Underworld Breach/Dramatic Reversal storm lines, full free counters and fast mana.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-urdragon-highpower", "predicted_bracket": 4, "predicted_power": 7.6, "reasoning": "Five-color Ur-Dragon high-power optimized deck with The One Ring and an Aggravated Assault + Savage Ventmaw infinite-combat line, fast and consistent but not cEDH-metagamed.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-atraxa-superfriends-2022", "predicted_bracket": 4, "predicted_power": 7.4, "reasoning": "Optimized Atraxa superfriends with multiple Game Changers (Cyclonic Rift, tutors, Smothering Tithe, Narset) and Doubling Season planeswalker engines, high-powered but grindy not cEDH.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-atraxa-superfriends-primer", "predicted_bracket": 4, "predicted_power": 7.9, "reasoning": "Heavily tuned Atraxa superfriends with The Chain Veil + Teferi/Oath of Teferi infinite engine, Doubling Season, fast mana, and many Game Changers, top of Bracket 4.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true } ] }, "claude-haiku-4-5-20251001": { "accuracy": { "bracket_in_range": { "pass": 30, "total": 36, "pct": 83.3 }, "bracket_within_1": { "pass": 36, "total": 36, "pct": 100 }, "bracket_exact": { "pass": 30, "total": 36, "pct": 83.3 }, "power_in_range": { "pass": 23, "total": 36, "pct": 63.9 } }, "verdicts": [ { "id": "wotc-precon-silverquillstatement-c21", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "Breena precon with no Game Changers and no infinite combos; unoptimized lords and combat lords strategy typical of core precons.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-prismariperformance-c21", "predicted_bracket": 2, "predicted_power": 3.2, "reasoning": "Zaffai precon focused on instants/sorceries with no Game Changers; lacks the consistency for B3 despite having some synergy.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-quantumquandrix-c21", "predicted_bracket": 2, "predicted_power": 3.3, "reasoning": "Fractals/tokens theme with no Game Changers; Seedborn Muse appears but is a single protection card, precon-level optimization.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-witherbloomwitchcraft-c21", "predicted_bracket": 2, "predicted_power": 3.4, "reasoning": "Life gain/sacrifice focus with no Game Changers; Sanguine Bond is a dupe effect, unoptimized creature synergy.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-loreholdlegacies-c21", "predicted_bracket": 2, "predicted_power": 3.2, "reasoning": "Artifact sacrifice precon with no Game Changers; Sun Titan presence but lacks fast mana and tutors for tier 3.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-abzanarmor-tdc", "predicted_bracket": 2, "predicted_power": 3.3, "reasoning": "Wall/defender theme with Seedborn Muse and other synergies but no Game Changers; tactical but unoptimized.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": false }, { "id": "wotc-precon-jeskaistriker-tdc", "predicted_bracket": 3, "predicted_power": 4.5, "reasoning": "Young Pyromancer and Monastery Mentor create meaningful synergy; Veyran/tempo shell with strong card advantage but lacks 4+ Game Changers.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": true }, { "id": "wotc-precon-mardusurge-tdc", "predicted_bracket": 3, "predicted_power": 4.2, "reasoning": "Aristocrats/token generation with some synergy engines; Grand Crescendo and Divine Visitation create multiplier effects, borderline B3.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": true }, { "id": "wotc-precon-sultaiarisen-tdc", "predicted_bracket": 3, "predicted_power": 4.6, "reasoning": "Living Death and reanimation engine plus Tasigur; strong midrange synergy with self-mill triggers and multiple value loops.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": true }, { "id": "wotc-precon-temurroar-tdc", "predicted_bracket": 3, "predicted_power": 4.3, "reasoning": "Dragon-focused with Tempest Technique and dragon lords; synergy is present but lacks the 4+ Game Changers for B4.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": true }, { "id": "wotc-precon-eternalmight-drc", "predicted_bracket": 2, "predicted_power": 3.5, "reasoning": "God-Pharaoh's Gift and zombie tokens but no Game Changers; The Scarab God presence but lacks tutors and fast mana.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "wotc-precon-livingenergy-drc", "predicted_bracket": 3, "predicted_power": 4.4, "reasoning": "Saheeli artifact tokens with Panharmonicon and Retrofitter Foundry; strong synergy engine and multiple payoffs, solid B3.", "bracket_exact": false, "bracket_within_1": true, "bracket_in_range": false, "power_in_range": true }, { "id": "wotc-precon-counterblitzfinalfantasyx-fic", "predicted_bracket": 3, "predicted_power": 4.2, "reasoning": "Tidus +1/+1 tokens with Walking Ballista and Hardened Scales; Farewell is 1 Game Changer, synergy present but needs more density.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-20waystowin-sld", "predicted_bracket": 3, "predicted_power": 4, "reasoning": "Go-Shintai enchantment-focused with multiple win conditions (Helix Pinnacle, Maze's End); Seedborn Muse synergy, several game-winning engines.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-creativeenergy-m3c", "predicted_bracket": 3, "predicted_power": 4.5, "reasoning": "Aetherflux Conduit combo plus strong artifact synergies; multiple payoff engines with Coalition Relic acceleration, borderline B4.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-deadlydisguise-mkc", "predicted_bracket": 3, "predicted_power": 4.3, "reasoning": "Enchantment morph disguise theme with Seedborn Muse and return synergies; Jeska's Will is 1 Game Changer, mid-tier upgraded.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "wotc-precon-deepcluesea-mkc", "predicted_bracket": 3, "predicted_power": 4.2, "reasoning": "Investigates/clues with Farewell and card draw; Chulane creates consistent value but lacks 4+ Game Changers for B4.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-kinnan-infinite-mana", "predicted_bracket": 5, "predicted_power": 9.2, "reasoning": "cEDH infinite-mana Kinnan with full fast-mana suite, Force of Will, Rhystic Study, and decisive line via Basalt Monolith/Dramatic Reversal.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-thrasios-tymna-blue-farm", "predicted_bracket": 5, "predicted_power": 9.5, "reasoning": "Top-tier cEDH with Thassa's Oracle, complete tutors (Demonic/Vampiric/Imperial), Gaea's Cradle, and Survival engine.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-najeela-blade-blossom", "predicted_bracket": 5, "predicted_power": 9.3, "reasoning": "cEDH Najeela with Underworld Breach, full fast-mana (Dark Ritual, Lotus Petal), tutors, and combat loop finish.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-tivit-stax", "predicted_bracket": 5, "predicted_power": 9.1, "reasoning": "cEDH Stax with Thassa's Oracle, full control suite (Counterspell, Blind Obedience), tutors, and Tivit token/Time Sieve lock.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-rograkh-silas-turbo-naus", "predicted_bracket": 5, "predicted_power": 8.9, "reasoning": "cEDH Turbo Naus with Ad Nauseam, Brain Freeze, Underworld Breach, and fast mana; pure tempo-turn combo.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-kraum-tymna-breach", "predicted_bracket": 5, "predicted_power": 9, "reasoning": "cEDH Underworld Breach list with full tutors, Thassa's Oracle, fast mana, and mid-combat line through Necropotence.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-halana-tymna-hulk", "predicted_bracket": 5, "predicted_power": 9.4, "reasoning": "Top cEDH Protean Hulk list with Tymna, full tutors, reanimation, Gaea's Cradle, and instant-speed multi-card combos.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-tana-tymna-turbo-naus", "predicted_bracket": 5, "predicted_power": 9.2, "reasoning": "cEDH Turbo Naus variant with Ad Nauseam, Underworld Breach, full fast mana, and Grim Tutor tutors.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-yuriko-tempo", "predicted_bracket": 5, "predicted_power": 8.8, "reasoning": "cEDH Yuriko tempo with ninjas, Force of Will, fast mana, and Thassa's Oracle finish; strong interactive shell.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-malcolm-tymna-esper-turbo", "predicted_bracket": 5, "predicted_power": 9, "reasoning": "cEDH Esper Turbo with Malcolm coin flips, full tutors, Smothering Tithe, and Thassa's Oracle; strong resource generation.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-sisay-tutors", "predicted_bracket": 5, "predicted_power": 9.1, "reasoning": "cEDH Sisay with creature tutors, Gaea's Cradle, full tutors (Demonic/Vampiric/Enlightened), and legendary combo pieces.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "cedh-kenrith-midrange", "predicted_bracket": 5, "predicted_power": 8.9, "reasoning": "cEDH Kenrith with Underworld Breach, Ad Nauseam, full tutors, and pseudo-5-color access via Commander.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-korvold-sacrifice", "predicted_bracket": 5, "predicted_power": 8.7, "reasoning": "cEDH sacrifice with Bolas's Citadel, Ad Nauseam, Underworld Breach, and Food Chain; strong card advantage engine.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-krark-sakashima", "predicted_bracket": 5, "predicted_power": 8.6, "reasoning": "cEDH Krark storm combo with cheap spells, Birgi, fast mana, and Brain Freeze; storm-turn finish.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-rocco-tutor", "predicted_bracket": 5, "predicted_power": 8.8, "reasoning": "cEDH Rocco flicker tutors with Birthing Pod, Survival of the Fittest, Kiki-Jiki, and Gaea's Cradle.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "cedh-stella-lee", "predicted_bracket": 5, "predicted_power": 8.9, "reasoning": "cEDH Stella Lee with Underworld Breach, Brain Freeze, fast mana, and Dramatic Reversal loops.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": false }, { "id": "b4-urdragon-highpower", "predicted_bracket": 4, "predicted_power": 7.2, "reasoning": "High-power Ur-Dragon with Rhystic Study, Smothering Tithe, Worldly Tutor, and fast mana; not cEDH-tuned but strong midrange.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-atraxa-superfriends-2022", "predicted_bracket": 4, "predicted_power": 7.5, "reasoning": "Atraxa superfriends with Doubling Season, full planeswalker suite, and tutors (Demonic/Vampiric); strong fixed win condition.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true }, { "id": "b4-atraxa-superfriends-primer", "predicted_bracket": 4, "predicted_power": 7.3, "reasoning": "Atraxa superfriends variant with The Chain Veil, Doubling Season, Rhystic Study, and Teferi package; optimized but not cEDH.", "bracket_exact": true, "bracket_within_1": true, "bracket_in_range": true, "power_in_range": true } ] } } }