Atlantis, City of the Sea Dragon Deck #773713 — Yu-Gi-Oh! TCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 30/100 (±8 · Confidence: Low)

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

Legality

Main 52 / Extra 20 / Side 0 — status under the rules at evaluation time: Illegal. 1 violation(s).

Identity & game plan

• Win condition: Link and Xyz pressure from Marincess and Atlantis/Umi link monsters, closing through high-ATK Link 4 monsters (Azure Ocean Dragon Lord, Marincess Wonder Heart, Marincess Great Bubble Reef) and Number monsters.; Recursion-driven board refills through Marincess Coral Triangle, Marincess Coral Anemone and Mulcharmy draw effects.
• Turn 1 (going first): Open with a Marincess or Atlantis starter (Springirl, Sea Horse, Sleepy Maiden, Blue Tang, Siren Vortex), search a second starter, and build a Link 2 or Link 3 board into an EMZ link.
• Turn 2 (going second): Use Ash Blossom and Nibiru as hand traps to stop the opponent's first Link or Xyz, then rebuild through Atlantis searchers and the Marincess Link chain.
• Recovery: Recover from interruption with Marincess GY-to-hand effects (Blue Tang, Sea Angel, Blue Slug) and Atlantis searchers (Advent of Atlantis, Warchief, Call of Atlantis).
• After siding: No side deck is registered, so no post-side plan exists in this list.

Why it scores here

The deck's consistency is the strongest part of the system: the Marincess and Atlantis archetype core (31 copies) gives a 0.99 chance of at least one core card in a 5-card opening hand (Inferred), and 16 searcher-text cards add a further 0.85 chance of a search in hand. Conversion is credible on paper because the Extra Deck holds several high-ATK Link 3 and Link 4 closers, but no recorded boards exist, so the ceiling and median are inferred from card text rather than measured. Interaction is broad (8 negation-text cards, 13 removal-text cards, and Ash Blossom plus Nibiru as hand traps), yet the list has no side deck and 62 of its 72 archetype-related copies are off-archetype, which weakens engine coherence. The score comes from consistency, interaction, and resilience measured on the system; it does not come from Atlantis being a popular archetype, and it does not average the individual card scores. The Extra Deck is 5 cards over the TCG limit, so the list is illegal and the score is capped low as a structural-only read.

Dimension scores

How the score was computed

Strategy profile: Combo. Structural ≈ 55, Going First ≈ 62, Going Second ≈ 58, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: illegal-extra-deck-oversize (-9); no-side-deck (-3). Final formula: No reliable metagame: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers = 0.80*55 + 0.20*35 - 12 = 39; illegal-deck cap applied (Extra Deck 20 > 15), final score = min(39, 30) = 30 (theoretical / structural-only)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.99 · 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

• Archetype core of 31 copies gives near-certain starter access in a 5-card hand (Inferred)
• Five hand traps and broad negation/removal text give layered interaction (Inferred)
• Several Link 4 closers with 2400-2900 ATK give end-board pressure (Verified stats)

Weaknesses

• Extra Deck is 20 cards against a 15-card limit, so the list is illegal (Verified)
• Only 10 of 72 archetype-related copies use the exact archetype name; engine coherence is split across Marincess, Atlantis and Daedalus (Verified)
• No side deck and no post-side plan (Verified)
• No recorded boards, so ceiling and median are text-only inference (Verified gap)

Critical choke points

• Extra Deck size must drop to 15 before the list is playable
• Engine depends on a Link monster being live to reach the Marincess chain; a single Ash Blossom or Nibiru answer can stall a turn-1 line (Inferred)

Recommended changes

Evidence & confidence

• Verified: Extra Deck size 20 exceeds the TCG maximum of 15; Copy counts and banlist statuses (Ash Blossom Semi-Limited at 2 copies, legal); Archetype purity 13.9% exact-name; 62 of 72 archetype copies off-archetype; Side deck count is 0
• Inferred: Starter consistency P(>=1 core in hand of 5) = 0.99; Interaction density from text roles; Going-second hand-trap coverage 0.47; Closing pressure from Link 4 stats and text
• Provisional: Meta power and matchup fit (no dated metagame sample or tournament link)
• Data gaps: no combos supplied; combo floor, median and ceiling are text-only inference no tournament link; archetype meta-share and pilot record absent no win-rate telemetry; going-first, going-second and matchup rates unknown Meta Power is Provisional unless a dated metagame sample is supplied