Magistus Deck #774259 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 46/100 (±10 · Confidence: Low)

• Primary strategy: Combo
• Secondary strategies: Toolbox
• Format: master-duel

Legality

Main 41 / Extra 9 / Side 0 — status: Legal.

Identity & game plan

• Win condition: Fusion, Xyz and Link boards built through a Magistus / Endymion Spell-Counter engine, closed by high-ATK bosses (Endymion 2800, Dark Magician of Destruction 2800, Aiwass 2000). Inferred from card text; no recorded boards.; Direct-attack Bamboo Sword damage and Possessed Destiny - Wynn control swings. Text-only read.
• Turn 1 (going first): Open on a searcher or draw spell (9 searcher-text cards, ~73% to hold at least one in a 5-card hand), then use Spell Counters and Magistus/Endymion monsters to reach a Fusion or Xyz board. Inferred.
• Turn 2 (going second): Six-card hand with draw spells (Upstart Goblin, Wonder Wand, Royal Magical Library, Golden Bamboo Sword) to find a Level 4 Spellcaster or Endymion piece. Few interaction cards, so the plan relies on board development rather than disruption. Inferred.
• Recovery: Draw spells and Spell Power Mastery / Grasp refill the hand. Trismagistus and Verre Magic - Lacrima of Light offer some recursion. Inferred.
• After siding: Not applicable: Master Duel has no sideboard and the deck runs 0 side cards. Post-side adaptability is treated as N/A, not as a weakness of play.

Why it scores here

The deck's consistency rests on nine searcher-text cards, which give roughly a 73% chance of at least one searcher in a 5-card opening hand (hypergeometric, Inferred). Draw density is the strongest signal: Upstart Goblin, Wonder Wand, Royal Magical Library, Golden Bamboo Sword, Into the Void and Spellbook of Knowledge keep resources flowing, which lifts D6. The engine is not a single coherent archetype, since exact 'Magistus' naming covers only 7 of 50 archetype-tagged copies, with Bamboo Sword, Endymion, Familiar-Possessed, Schoolwork and Greed spread across the list; this caps D10 and D11 and is applied as an engine-conflict modifier. Combo ceiling and floor are scored only from structure because the evidence contains no recorded boards, and interaction and board-breaking are modest with no hand traps or floodgates. Popularity and meta-share played no part: the score comes from the system's consistency, draw resources and closing bosses, not from averaging card scores.

Dimension scores

How the score was computed

Strategy profile: Combo. Structural ≈ 51.5, Going First ≈ 50, Going Second ≈ 44, Meta = provisional, Tournament Reliability ≈ 50. Modifiers: engine_conflicts (-3); single_copy_engine_pieces (-2). Final formula: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers (Meta provisional); 0.80*51.5 + 0.20*50 = 51.2, then modifiers -5 = 46.2, rounded to 46

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.33 · key two-card combo ≈ — · full-brick estimate ≈ — (all Inferred)
• Combo output: best PowerIndex —, median —, board-per-starter —
• Turn order: 0 going-first lines vs 0 going-second lines

Strengths

• Strong draw density (Upstart Goblin x3, Wonder Wand x3, Royal Magical Library x3, Golden Bamboo Sword x3, Spellbook of Knowledge, Pot of Benevolence)
• Nine searcher-text cards give about a 73% chance of a searcher in an opening 5
• Compact Main Deck (41) with a Fusion-heavy Extra Deck that offers high-ATK closing bosses

Weaknesses

• Engine is spread across five or more sub-archetypes; exact Magistus naming is 14% of archetype copies
• No recorded boards, so ceiling and median are unmeasured and confidence is low
• Little interaction: no hand traps, no floodgates, few board-wide negates
• Into the Void x3 can discard the whole hand; a 41-card deck with 3 copies carries real hand-clog risk
• Mostly single-copy engine cards, so one missed piece can break a line

Critical choke points

• Endymion and Magia Magic - Thunder of Judgment (1 copy each) gate the Spell Counter engine
• Verre, the Maid of Endymion (1 copy) is the only Endymion-line searcher on the core list
• Fusion Extra Deck pieces (Aiwass x3, Wynn x2) need specific Magistus / Spellcaster / WIND materials

Recommended changes

Evidence & confidence

• Verified: Legal under master-duel BanMasterDuel; Foolish Burial Goods 1 of 1 (Limited); Main 41, Extra 9, Side 0 within size_rules (main 40-60, extra 0-15, side 0-15); Exact-name archetype purity 14%; archetype spread recorded; Card stats and text for all 27 Main and 6 Extra distinct cards; Hypergeometric draw figures recomputed: 3-copy P(>=1 in 5)=0.3302; 9-copy searcher group 0.7313
• Inferred: Combo primary strategy from spell-counter and Fusion/Xyz text; Consistency, brick and interaction estimates; Engine-conflict and single-copy-piece modifiers
• Provisional: Meta power (null) and matchup fit (D13); Post-side plan (no sideboard in Master Duel); Tournament reliability (no tournament link or win-rate telemetry)
• Data gaps: no combos supplied: combo floor, median and ceiling are text-only inference no tournament link: archetype meta-share and per-pilot record absent no win-rate telemetry (going-first/second, matchup, brick and OTK rates); those signals are Inferred or Unknown usage_statistics core match appears to skip Extra Deck cards: Aiwass (3 copies, extra), Dark Magician of Destruction (1 copy, extra) and Artemis (1 copy, extra) are listed with copies_in_deck 0 despite being in the deck, so core_present_pct 6.7 is undercounted and was not used Meta Power provisional without a dated metagame sample