Zefra Deck #436217 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 30/100 (±10 · Confidence: Low)

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

Legality

Main 60 / Extra 15 / Side 0 — status: Illegal. 4 violation(s).

Identity & game plan

• Win condition: Control / attrition using hand traps and board disruption; Toolbox flexibility – assemble ad‑hoc combos from Zefra, Superheavy, Orcust, etc.
• Turn 1 (going first): Play hand traps (Ash Blossom, Droll, Maxx C) to lock opponent draws, set up Zefra engine with Oracle of Zefra and Zefraath, and search key pieces.
• Turn 2 (going second): Use Nibiru, Maxx C, and hand traps to punish opponent’s board, then break with Knightmare Phoenix or other link removals.
• Recovery: Draw engines (Mulcharmy Fuwalos) and abundant searchers replenish resources after disruption.
• After siding: No side deck – the deck relies on its main‑deck flexibility.

Why it scores here

The deck can open with a decent chance of a Zefra core piece (≈61% in a 5‑card hand) and a heavy suite of hand traps that give it solid going‑second disruption. Its resource engine is strong thanks to many searchers and draw effects, but the lack of a focused engine, low archetype purity, and illegal card copies make consistency and efficiency poor. Interaction is moderate, and the empty side deck leaves no post‑side adaptation. Popularity or meta‑share does not boost its score because the list is illegal and fragmented.

Dimension scores

How the score was computed

Strategy profile: Toolbox. Structural ≈ 45.8, Going First ≈ 45, Going Second ≈ 55, Meta = provisional, Tournament Reliability ≈ 40. Modifiers: Illegal deck penalty (-10). Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional, illegal deck penalty applied)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.61 · key two-card combo ≈ — · full-brick estimate ≈ 0.39 (all Inferred)
• Combo output: best PowerIndex —, median —, board-per-starter —
• Turn order: 0 going-first lines vs 0 going-second lines

Strengths

• High hand‑trap count for going‑second disruption
• Abundant searchers and draw effects give strong resource generation
• Multiple independent sub‑archetypes provide route redundancy

Weaknesses

• Illegal list (over‑limit and forbidden cards) prevents legal play
• Low archetype purity and many off‑archetype cards dilute engine cohesion
• No side deck limits post‑side adaptability
• Brick risk from mixed normal summons and over‑copy limits

Critical choke points

• Reliance on Zefra core (Zefraath + Oracle of Zefra) for engine start
• Illegal card copies cause immediate disqualification
• Lack of a focused win‑condition engine

Recommended changes

Evidence & confidence

• Verified: Legality status and copy limits from legality section; Card text excerpts for role identification; Archetype purity percentages from composition
• Observed: Side deck count is zero (observed)
• Inferred: Starter probability and brick estimates from hypergeometric data; Engine consistency and combo floor/ceiling based on lack of combo evidence; Resource economy from searcher and draw card counts; Interaction density from trap and negation counts; Going‑second power from hand‑trap density and presence of Nibiru/Maxx C; Off‑archetype dilution affecting main‑deck efficiency
• Provisional: Matchup coverage and meta fit due to missing tournament data
• Data gaps: no combos supplied — combo floor/median/ceiling is text‑only inference no tournament link — archetype meta‑share and per‑pilot match record absent no win‑rate telemetry exists in YGOVN — signals are inferred or unknown Meta Power is provisional unless a dated metagame sample is supplied