Atlantean Deck #772078 — Yu-Gi-Oh! OCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 36/100 (±8 · Confidence: Low)

• Primary strategy: Midrange
• Secondary strategies: Combo
• Format: ocg

Legality

Main 40 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 1 violation(s).

Identity & game plan

• Win condition: Link and Xyz boards (Poseidra Abyss, Azure Ocean Dragon Lord - Neo-Daedalus Rage, Abysstrite, Levia-Dragoon) pressured by high-ATK end-boards; Atlantis field-driven Umi recursion via Levia-Dragon - Daedalus and Warchief of Atlantis
• Turn 1 (going first): Search Atlantean/Atlantis monsters with Neptabyss, Fish Sonar and Warchief, then Link or Xyz into a Level 7 or Link 4 boss
• Turn 2 (going second): Hand traps (Ash Blossom, Droll & Lock Bird, Maxx "C") to disrupt the opponent's board, then rebuild through Atlantis searches
• Recovery: Graveyard effects of Atlantean Dragoons, Warchief and Monster Arms of Atlantis to revive Level 3 or lower Sea Serpent and Umi monsters
• After siding: No side deck is registered (Side Deck size 0), so no post-side plan can be evaluated

Why it scores here

The list cannot receive a normal Final score because it is Illegal: Bahamut Shark is Forbidden in OCG and two copies are run, so the evaluation is theoretical and structural only. The structural read sits near 50 because the engine is accessible: the 20-copy Atlantean core gives a high chance of at least one starter in an opening hand, and redundant searchers such as Neptabyss and Fish Sonar keep the deck moving. Interaction is real but thin, with Ash Blossom, Droll & Lock Bird, Maxx "C" and Dominus Impulse covering several disruption routes without a layered end-board. The deck has no recorded boards, no tournament link and no side deck, so combo ceiling, floor, matchup fit and post-side adaptability all rest on inference and are scored conservatively. Popularity and archetype share were not used to raise the score, and the card scores were not averaged into the deck result.

Dimension scores

How the score was computed

Strategy profile: Midrange primary (no secondary blend applied to weights; Combo noted as a secondary strategy). Structural ≈ 50, Going First ≈ 48, Going Second ≈ 40, Meta = provisional, Tournament Reliability ≈ 40. Modifiers: banlist exposure (Forbidden card run) (-12). Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional) = 48.2, then Illegal-status banlist modifier applied (-12) = 36

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

• Core Atlantean engine is highly accessible (20 copies of archetype core)
• Redundant searchers (Neptabyss, Fish Sonar, Warchief, Call of Atlantis) support consistency
• Hand-trap and negation package covers several disruption routes
• Compact 40-card main with 21 distinct names

Weaknesses

• Illegal list: Bahamut Shark is Forbidden and 2 copies are run
• Low archetype purity (14.5% exact-name) with 47 off-archetype copies
• No side deck registered
• No recorded combos, so ceiling and median are inferred

Critical choke points

• Atlantis, City of the Sea Dragon field spell: a single field card drives the Umi/Atlantis engine
• Neptabyss is the main searcher for most lines

Recommended changes

Evidence & confidence

• Verified: Bahamut Shark is Forbidden in OCG and 2 copies are run (over limit); Main 40 and Extra 15 are within the OCG size rules; Exact-name purity is 14.5% (8 of 55 copies)
• Inferred: Starter availability P(≥1 core card in opening 5) ≈ 0.98; Interaction density and disruption routes from card text; Going-first and going-second estimates from text and probability
• Provisional: Meta Power and matchup fit: no dated metagame sample or tournament link; Side-deck adaptability: no side deck registered
• 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 (going-first/second, matchup, game-level, brick/starter/OTK rates) — those signals are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied No side deck registered (Side Deck size 0)