Mermail Deck #766732 — Yu-Gi-Oh! TCG
55 Main, 15 Extra, incl. Abyssrhine, the Atlantean Spirit x3, Atlantean Dragoons x3, Mermail Abyssteus x3. Created Oct 18, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/18/2026
Main Deck (55)
- Abyssrhine, the Atlantean Spirit x3
- Atlantean Dragoons x3
- Atlantean Heavy Infantry x1
- Droll & Lock Bird x2
- General Raiho of the Ice Barrier x1
- Mermail Abysspike x2
- Mermail Abyssteus x3
- Mermail Shadow Squad x3
- Moulinglacia the Elemental Lord x1
- Mulcharmy Fuwalos x3
- Mulcharmy Purulia x3
- Neptabyss, the Atlantean Prince x3
- Poseidra, the Storming Atlantean x3
- The Great Gallant Bandit x3
- Ash Blossom & Joyous Spring x3
- Deep Sea Minstrel x1
- Ghost Ogre & Snow Rabbit x2
- Icejade Ran Aegirine x1
- Armored Xyz x1
- Called by the Grave x1
- Pot of Sloth x3
- Small World x1
- Triple Tactics Talent x1
- Dominus Impulse x3
- Gozen Match x1
- Solemn Judgment x1
- Solemn Warning x2
Extra Deck (15)
- Marincess Coral Anemone x2
- Mediclius the Extraordinary Power Patron x1
- Mistar Boy x1
- Lancea, Ancestral Dragon of the Ice Mountain x1
- Trishula, Dragon of the Ice Barrier x1
- Deep Sea Prima Donna x1
- Abysstrite, the Atlantean Spirit x1
- Full Armored Dark Knight Lancer x1
- LeVirtue Dragon x1
- Poseidra Abyss, the Atlantean Dragon Lord x2
- Super Starslayer TY-PHON - Sky Crisis x1
- Xyz Armor Fortress x1
- Xyz Armor Torpedo x1
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30± 5/ 100
Power Score
Structural
61
Reliability
55
Going First
62
Going Second
60
Deck — Deck Power Evaluation
Final Contextual Deck Power: 30/100 (±5 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 61 |
| Going First | 62 |
| Going Second | 60 |
| Meta Power | provisional |
| Tournament Reliability | 55 |
- Primary strategy: Midrange
- Secondary strategies: Stun, Combo
- Format: tcg
Legality
Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 7 violation(s).
Identity & game plan
- Win condition: Extra Deck boss pressure (Poseidra Abyss, Lancea, TY-PHON, Moulinglacia) after the Atlantean/Mermail engine extends into a board; Xyz and Link follow-up from Abyssrhine/Neptabyss/Abyssteus searches
- Turn 1 (going first): Open on Atlantean/Mermail searchers and a hand trap held up for the opponent's first Special Summon; convert to a Level 7 WATER boss
- Turn 2 (going second): Use Ash Blossom, Ghost Ogre, Droll and Dominus Impulse to strip the opponent's first board, then rebuild with Pot of Sloth or Mulcharmy draws
- Recovery: Recurse WATER monsters from the GY with Abyssteus, Dragoons and Poseidra, and search again with Neptabyss or Mermail Abysspike
- After siding: Not evaluable: the list has no Side Deck (Side Deck size 0)
Why it scores here
The list is Illegal (three Forbidden cards and three over-limit Semi-Limited or Limited cards), so this is a theoretical, structural-only read, capped at 30 rather than given a normal contextual score. Structurally the deck reliably reaches its searcher engine: the Mermail/Atlantean core is about 98% likely to have one card in the opening five, and the 15 searcher-text cards give about 81%. Interaction is the deck's strongest system feature, with seven hand traps and about 14 negation-text cards layered across the first two turns. Its Extra Deck supplies high closing power (Lancea 3300, Poseidra Abyss 3000, TY-PHON 2900). Popularity was not used, and card scores were not averaged. The score is lowered by the absence of any recorded boards, the missing Side Deck, and the illegal copy counts.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 66 | P(at least one searcher-text card in 5) ≈ 0.81 and archetype core ≈ 0.98 in hand 5; engine starts reliably on paper (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 60 | Seven hand traps and a 27-distinct main deck give redundancy, but several Sea Serpent and Aqua payoffs need a live engine, so dead-hand risk is moderate (Inferred) |
| D3 | Combo Conversion & Ceiling | 62 | No recorded boards; ceiling read from text (Poseidra Abyss, Abysstrite, Lancea, Mermail chains) (Inferred) |
| D4 | Combo Floor & Median Output | 52 | No recorded boards; median cannot be measured from YGOVN data, so this is a text-only estimate (Provisional) |
| D5 | Interruption Resilience & Route Redundancy | 70 | Multiple independent starters and seven hand traps give good disruption recovery, but the engine depends on a few WATER monsters (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 65 | Pot of Sloth, Mulcharmy draws and GY recursion (Abyssteus, Dragoons, Poseidra) support resource regeneration (Inferred) |
| D7 | End-Board & Interaction Quality | 72 | Ash Blossom, Ghost Ogre, Solemn Warning/Judgment, Droll, Dominus Impulse and The Great Gallant Bandit give layered interaction (Inferred from card text; flags verified) |
| D8 | Going-Second & Board-Breaking Power | 66 | Going-second plan relies on hand traps and Droll; there is no going-second split in the data (Inferred) |
| D9 | Offensive Pressure & Closing Power | 70 | Extra Deck bosses reach 2800 to 3300 ATK with direct and piercing text on Dragoons (Verified stats, Inferred closing) |
| D10 | Main Deck Efficiency & Flexibility | 55 | 55 main cards with 12 triple-copy slots, 11 singletons and 7 over-limit entries; flexibility is limited by the Forbidden tech cards (Verified counts, Inferred efficiency) |
| D11 | Extra Deck Efficiency & Coverage | 60 | Extra Deck of 15 with 8 Xyz, 4 Link and 3 Synchro covers several summon routes; Trishula is Forbidden (Verified counts) |
| D12 | Side Deck Adaptability | 15 | No Side Deck at all (Side Deck size 0), so no post-side plan exists (Verified) |
| D13 | Matchup Coverage & Format Fit | 50 | No tournament link or dated metagame sample; matchup fit is unknown (Provisional) |
| D14 | Pilotability & Error Tolerance | 50 | Many stacked hand-trap decisions and multi-step Atlantean/Mermail searches; moderately demanding to pilot (Inferred) |
How the score was computed
Strategy profile: Midrange profile used as-is; no Stun re-weighting applied. Structural ≈ 61, Going First ≈ 62, Going Second ≈ 60, Meta = provisional, Tournament Reliability ≈ 55. Modifiers: banlist exposure (-8); no side deck (-4). Final formula: No reliable metagame: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers = 0.80*61 + 0.20*55 - 12 = 47.8; Illegal cap applied, final 30 (theoretical/structural-only)
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.81 · 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
- Seven hand traps and a dense searcher package give disruption and a reliable engine start
- Extra Deck bosses (Lancea, Poseidra Abyss, TY-PHON, Moulinglacia) give real closing power
- Mulcharmy and Pot of Sloth add card advantage
Weaknesses
- Illegal list: three Forbidden cards and three over-limit cards
- No Side Deck, so no post-side plan
- No recorded combos, so combo floor and ceiling are unmeasured
- Many splashed sub-archetypes (Atlantean, Mermail, Abyss-, Mulcharmy, Dominus) lower engine coherence
Critical choke points
- Atlantean/Mermail searcher chains that depend on a WATER monster in the GY
- Hand-trap dependence in the opening hand for going second
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | Called by the Grave, Gozen Match, Triple Tactics Talent, Trishula, Dominus Impulse (one copy), Ash Blossom & Joyous Spring (one copy), Droll & Lock Bird (one copy) | Legal replacements that fit the engine, confirmed against the current banlist | Restores legality: only then can the list receive a normal contextual score |
| 2 | None | A 15-card Side Deck | Without it there is no post-side plan and D12 is capped near zero |
Evidence & confidence
- Verified: Main 55, Extra 15, legal size ranges; Seven copy-limit violations and four Forbidden cards; Card stats and text in the evidence; Archetype usage statistics
- Observed: No recorded combo boards exist for this deck
- Inferred: Hypergeometric starter and hand-trap probabilities; Dimension scores D1 to D11 and D14; Going-first and going-second estimates
- Provisional: Median output (D4); Matchup and format fit (D13); Meta Power (null)
- Data gaps: Illegal list: score is theoretical only No combo data, so floor, median and ceiling are text-only No tournament link, no win-rate telemetry, and no metagame sample No Side Deck (Side Deck size 0) usage statistics marks Abysstrite, LeVirtue, Xyz Armor Torpedo, Mediclius, Marincess, Mistar Boy, Trishula, Lancea and Prima Donna as not in this deck, but the cards array lists all of them in the Extra Deck; the core-presence figure (16 of 25) is unreliable
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