Mecha Phantom Beast Deck #770670 — Yu-Gi-Oh! OCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 30/100 (±6 · Confidence: Medium)

• Primary strategy: Toolbox
• Secondary strategies: Combo, Stun
• Format: ocg

Legality

Main 52 / Extra 17 / Side 0 — status under the rules at evaluation time: Illegal. 2 violation(s).

Identity & game plan

• Win condition: Fusion, Link and Ritual boss monsters (Chimera the Illusion Beast, Black Chaos, Black Luster Soldier, Chaos Angel) backed by searcher-driven card advantage; Fiendsmith Lacrima and Desirae boards with Fiendsmith Link recursion from the GY
• Turn 1 (going first): Gazelle or Nightmare Apprentice searches into Chimera Fusion, then Fusion Summon a Chimera boss; hold Ash Blossom and Droll & Lock Bird for the opponent's first engine
• Turn 2 (going second): Ash Blossom, Droll & Lock Bird, Kuriboh and Buio negate or break the opponent's first combo, then Light and Darkness Ritual or Chimera Fusion rebuilds the board
• Recovery: Searchers (Gazelle, Nightmare Apprentice, Cornfield Coatl, Mulcharmy) and GY-triggered summons (Cornfield Coatl, Mirror Swordknight, Fiendsmith Link recursion) refill hand and board after a disruption
• After siding: No side deck is registered, so no post-side plan exists in this list

Why it scores here

The list is illegal (17 Extra Deck cards against a limit of 15, and 3 copies of Semi-Limited Ash Blossom), so the score is a structural read capped at 30 and the result is theoretical only. The deck reliably opens searcher lines: 27 searcher-text cards, and P(at least one searcher in a 5-card opening hand) is about 0.98 (Inferred). Interaction is dense, with 4 hand traps, 12 negation texts and 20 removal texts, which earns the highest dimension score. Its boss monsters have high ATK, but the core Mecha Phantom Beast engine is absent (50% of archetype core present), and no recorded boards exist, so conversion and median output are text-only inferences. The score comes from consistency, interaction and resilience measured on the system; the archetype's popularity and the average of individual card scores were not used.

Dimension scores

How the score was computed

Strategy profile: Toolbox primary; Combo secondary weights were not blended in. Structural ≈ 53.9, Going First ≈ 55, Going Second ≈ 50, Meta = provisional, Tournament Reliability ≈ 45. Modifiers: Illegal list cap (-14); Banlist exposure (-4); Extra Deck over size (-4). Final formula: No reliable metagame: 0.80*53.9 + 0.20*45 = 52.1; modifiers -8 gives 44.1; Illegal cap applied, final 30 (theoretical / structural-only)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.98 · 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

• Dense searcher density (27 searcher-text cards) keeps the engine accessible
• Four hand traps plus Ash, Droll and Kuriboh give strong early interaction
• Several 3000+ ATK bosses with a Ritual or Fusion route

Weaknesses

• Illegal list: Extra Deck over limit and Ash over copy limit
• Core Mecha Phantom Beast engine (Auroradon, O-Lion) is absent
• Mixed Ritual, Fusion, Link and Fiendsmith routes conflict in one 17-card Extra Deck
• No side deck, so no post-side plan

Critical choke points

• Chimera Fusion or the Light and Darkness Ritual pair; without one, most boss lines fail
• Single Extra Deck over limit must be fixed before the list is playable

Recommended changes

Evidence & confidence

• Verified: Legality: Extra 17 > 15 and Ash 3 copies vs 2 legal; Card text and stats for all 52 main and 17 extra cards; Banlist: Droll & Lock Bird, Fiendsmith Engraver, Fiendsmith's Lacrima and S:P Little Knight are Limited; Ash is Semi-Limited
• Observed: Archetype usage: Ash Blossom 75% core inclusion; Mulcharmy Fuwalos 62.5%
• Inferred: P(at least one searcher in opening 5) ~0.98; Interaction breadth and resilience from text; Going-first and going-second estimates
• Provisional: Meta power and format fit (no dated sample, no tournament link)
• 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, going-second and matchup rates are unknown No side deck; post-side plan cannot be assessed Meta Power is provisional unless a dated metagame sample is supplied