Evil Twin Deck #771222 — Yu-Gi-Oh! OCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 25/100 (±8 · Confidence: Low)

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

Legality

Main 50 / Extra 20 / Side 0 — status under the rules at evaluation time: Illegal. 3 violation(s).

Identity & game plan

• Win condition: Large Link/Synchro boss monsters (Perfectron Hydradrive Dragon, Topologic Blaster Dragon, Evil Twin's Trouble Sunny, Ashtraja Susanoo); the boss is not reliably reachable from the evidence (Inferred); Disruption-based attrition using hand traps and negations (Inferred)
• Turn 1 (going first): Open a starter from the main deck (Maliss, Live Twin, Ashtra or Evil Twin sub-engine), then Link or Synchro into a boss. Probability of at least one starter in the opening 5 is about 0.60 for the core group, which is an estimate (Inferred)
• Turn 2 (going second): Hold hand traps (11 in the main deck, P(at least one in 6 cards) about 0.79) to answer the opponent's first board, then rebuild with Ashtra and Maliss extenders (Inferred)
• Recovery: Searcher text (8 cards) and recursion from the GY (Ashtra and Maliss revive effects) are the recovery routes; the text supports this but has not been tested (Inferred)
• After siding: Not evaluable. The list has no Side Deck, so there is no post-side plan.

Why it scores here

The deck is scored as a system. Its power is limited by how the engines overlap, not by the individual cards. Only 5 of the 18 archetype-core cards are present, and the list spans at least six sub-archetypes (Maliss, Ashtra, Live Twin, Evil Twin, Horus, Bystial), so starters often do not feed each other. The interaction suite is the strongest part: 11 hand traps plus Mind Mirror Force, Ash Blossom and Ghost Belle give layered answers. Boss monsters at 3000 to 5000 ATK give closing power, but there is no recorded board data, so the ceiling and median are text-only inference. Popularity is not counted: the archetype usage statistics show the deck is a loose deviation from standard builds, and the list does not earn points for being popular. The score is capped because the list is illegal (Link Decoder is Forbidden and the Extra Deck has 20 cards against a maximum of 15). No individual card scores were averaged.

Dimension scores

How the score was computed

Strategy profile: Toolbox. Structural ≈ 46, Going First ≈ 45, Going Second ≈ 52, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: banlist exposure (-6); extra deck over size (-4); no side deck (-2). Final formula: Illegal cap: raw = 0.80*Structural(46) + 0.20*TournamentReliability(35) + modifiers(-12) = 31.8, capped at 25 because the list is Illegal. Meta is provisional and not used.

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.6 · 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

• Layered hand-trap and negation suite (11 hand traps, 11 tech cards)
• High closing power from Link and Synchro bosses
• Probabilities show a reasonable chance to reach a starter in the opening 5 for the core group

Weaknesses

• Illegal list: Forbidden Link Decoder and Extra Deck over the size limit
• Mixed sub-archetypes with 0% exact-name purity, so engines do not chain well
• No Side Deck
• Only 5 of 18 archetype-core cards present

Critical choke points

• Link Decoder (Forbidden) and the Extra Deck size must be fixed before the deck is playable
• Starters depend on the Maliss and Ashtra cross-engine; no alternate line is recorded

Recommended changes

Evidence & confidence

• Verified: Legality: Link Decoder is Forbidden, 1 copy run; Extra Deck 20 against a maximum of 15; Side Deck 0; Copy limits for Limited and Semi-Limited cards are met; Main deck count 50 is within the 40 to 60 range; Archetype purity 0% exact-name; 70 off-archetype copies
• Observed: Usage stats show the archetype-standard core is mostly absent (5 of 18 core cards present)
• Inferred: Starter access about 0.60 from hypergeometric estimate; Going-first and going-second estimates from hand-trap draw odds; Toolbox and Midrange/Stun strategy from card text and composition; Pilotability and brick estimates from composition
• Provisional: Format fit and matchup coverage (no dated metagame sample)
• 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 for going-first, going-second, matchup, brick or OTK rates Meta Power is provisional without a dated metagame sample No Side Deck, so post-side performance cannot be assessed