Mermail Deck #772043 — Yu-Gi-Oh! OCG
41 Main, 15 Extra, incl. First Penguin x3, Mulcharmy Purulia x3, Neptabyss, the Atlantean Prince x3. Created Oct 21, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/21/2026
Main Deck (41)
- Abyssrhine, the Atlantean Spirit x1
- Atlantean Dragoons x2
- Atlantean Heavy Infantry x1
- Droll & Lock Bird x1
- First Penguin x3
- Levia-Dragon of Atlantis - Daedalus x1
- Maxx "C" x1
- Monster Arms of Atlantis x2
- Mulcharmy Purulia x3
- Neptabyss, the Atlantean Prince x3
- Ocean Dragon Lord - Kairyu-Shin x1
- Poseidra, the Storming Atlantean x2
- Siren Vortex of Atlantis x2
- Warchief of Atlantis x3
- Magicalibra x1
- Ash Blossom & Joyous Spring x2
- Advent of Atlantis x2
- Atlantis, City of the Sea Dragon x1
- Call of Atlantis x1
- Fish Sonar x3
- Instant Fusion x1
- Daedalus Maelstrom x1
- Dominus Impulse x2
- Virtue Stream x1
Extra Deck (15)
- Elder Entity Norden x1
- Azure Ocean Dragon Lord - Neo-Daedalus Rage x2
- Levia-Dragoon - Daedalus x2
- Marincess Coral Anemone x1
- Brionac, Dragon of the Ice Barrier x1
- Deep Sea Repetiteur x1
- Abysstrite, the Atlantean Spirit x1
- Bahamut Shark x2
- LeVirtue Dragon x1
- Mermail Abyssgaios x1
- Poseidra Abyss, the Atlantean Dragon Lord x1
- Toadally Awesome x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 35/100 (Confidence: Low)
- Primary strategy: Midrange
- Secondary strategies: Toolbox, Stun
- Format: ocg
Legality
Main 41 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 1 violation(s).
Identity & game plan
- Win condition: Atlantis/Atlantean/Umi board of Sea Serpent beaters (Poseidra, Levia-Dragon, Warchief, Atlantean Dragoons) plus Daedalus Link and Xyz finishers, if the Forbidden Bahamut Shark were removed; Neo-Daedalus Rage and Levia-Dragoon Link pressure off the Atlantis field, with Levia-Dragon Daedalus as a Special Summon finisher
- Turn 1 (going first): Mulcharmy Purulia or Neptabyss/Fish Sonar search into Atlantis, City of the Sea Dragon, then Warchief or Advent to convert into Umi-based Special Summons (theoretical, no combo data)
- Turn 2 (going second): Hold Ash Blossom, Dominus Impulse, Droll and Maxx C as interaction while the Atlantis field plus Umi Special Summons rebuild the board (theoretical, no combo data)
- Recovery: Searcher-heavy engine (20 searcher-text cards) recovers through Warchief and Neptabyss returning from the GY; Abyssrhine and Monster Arms add recursion (text-only read, Inferred)
- After siding: No side deck supplied (side count 0), so no post-side plan can be assessed
Why it scores here
This list is capped as Illegal because it runs 2 copies of Bahamut Shark, which is Forbidden in OCG, so the score reflects only the structural read of the list and is not a normal final score. The Atlantis/Atlantean core is coherent, with the Atlantis field, Warchief, Neptabyss, Mulcharmy and Fish Sonar giving a high probability of at least one starter in hand (about 0.97 for the archetype-core group, Inferred). Interaction density is the strongest part of the system: 4 hand traps, 2 Ash Blossom, 2 Dominus Impulse, Droll and Maxx C supply breadth against going-second boards (D7 70, Inferred from text). Floor and median output and ceiling cannot be measured because no recorded boards exist, so combo dimensions rest on text only, and the deck has no side deck and no tournament or meta data. The score was not obtained by averaging card scores, and the archetype's high usage share did not earn points.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 62 | P(at least one starter in 5-card hand) about 0.97 for the archetype-core group; multiple independent starters (Mulcharmy, Neptabyss, Fish Sonar, Warchief) (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 58 | 12 singleton slots and several 1-of Extra-Deck engines; full-brick proxy about 0.035; hand-trap and searcher redundancy reduces dead hands (Inferred) |
| D3 | Combo Conversion & Ceiling | 45 | No parseable boards; ceiling read from text only (Warchief, Levia-Dragon, Neo-Daedalus, Poseidra Link/Xyz routes) (Inferred) |
| D4 | Combo Floor & Median Output | 40 | No combo evidence, so median output is unmeasured; scored conservatively (Provisional) |
| D5 | Interruption Resilience & Route Redundancy | 60 | Multiple independent lines through Umi and Atlantis plus 4 hand traps and recursion from GY (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 55 | 20 searcher-text cards and GY recursion (Neptabyss, Warchief, Abyssrhine) give recovery; no resource signature data (Inferred) |
| D7 | End-Board & Interaction Quality | 70 | 8 negation-text and 9 removal-text cards; 2 Ash Blossom, 2 Dominus Impulse, Droll and Maxx C layer interaction (Inferred semantic read) |
| D8 | Going-Second & Board-Breaking Power | 62 | P(at least one hand trap in 6-card going-second hand) about 0.48 plus Dominus Impulse and Ash Blossom coverage (Inferred) |
| D9 | Offensive Pressure & Closing Power | 55 | Board-scale attackers (Poseidra 2800, Levia-Dragon 2600, Neo-Daedalus Rage 2900 Link) but Poseidra Abyss and Abysstrite are absent (Observed from list, Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 55 | 41 main-deck cards with 24 distinct; Atlantis-family spread is coherent, but exact archetype purity is 1.8 percent (Verified composition, Inferred coherence) |
| D11 | Extra Deck Efficiency & Coverage | 40 | Extra Deck of 15 with 12 distinct cards and mixed Link/Xyz/Synchro/Fusion routes; 2 copies of Forbidden Bahamut Shark reduce the score (Verified) |
| D12 | Side Deck Adaptability | 15 | Side deck count is 0, so no post-side adaptability can be measured (Provisional) |
| D13 | Matchup Coverage & Format Fit | 40 | No tournament link or dated metagame sample; archetype share not available (Provisional) |
| D14 | Pilotability & Error Tolerance | 45 | Multiple engine routes (Umi, Atlantis field, Link/Xyz summons) demand many decision points; error tolerance is moderate (Inferred) |
How the score was computed
Strategy profile: Midrange 100 percent for structural (secondary noted, not blended). Modifiers: none.
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