Mulcharmy Deck #759668 — Yu-Gi-Oh! Master Duel
40 Main, 15 Extra, incl. Atlantean Dragoons x3, Atlantean Heavy Infantry x3, Mermail Shadow Squad x3. Created Oct 2, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/02/2026
Main Deck (40)
- Atlantean Dragoons x3
- Atlantean Heavy Infantry x3
- Atlantean Marksman x2
- Eria the Water Channeler x1
- Mermail Abyssgunde x2
- Mermail Abyssmegalo x2
- Mermail Abysspike x2
- Mermail Abyssteus x2
- Mermail Shadow Squad x3
- Mulcharmy Fuwalos x2
- Mulcharmy Purulia x2
- Neptabyss, the Atlantean Prince x3
- Poseidra, the Storming Atlantean x2
- Ash Blossom & Joyous Spring x3
- Triple Tactics Talent x2
- Triple Tactics Thrust x2
- Dominus Impulse x2
- Dominus Spiral x2
Extra Deck (15)
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 53/100 (±8 · Confidence: Medium)
| Overall score | Value |
|---|---|
| Structural Deck Power | 56 |
| Going First | 58 |
| Going Second | 55 |
| Meta Power | provisional |
| Tournament Reliability | 52 |
- Primary strategy: Midrange
- Secondary strategies: Toolbox, Stun
- Format: master-duel
Legality
Main 40 / Extra 15 / Side 0 — status: Legal.
Identity & game plan
- Win condition: Boss monsters from the Extra Deck (Poseidra Abyss, Mermail Abyssgaios, Divine Arsenal AA-ZEUS, Super Starslayer TY-PHON) converted from WATER-engine searches and GY-based summons; Direct attacks from Atlantean Dragoons and recursive Mermail summons
- Turn 1 (going first): Open a searcher or Normal Summon that reaches a Level 7 WATER starter, then extend through a Mermail or Atlantean searcher into an Extra Deck boss
- Turn 2 (going second): Use Ash Blossom and the Dominus traps to disrupt the opponent's first summon, then rebuild through Mulcharmy draw effects and GY summons
- Recovery: Discard WATER monsters to the GY to trigger Mermail and Atlantean GY effects and re-summon from the graveyard
- After siding: No side deck is registered, so there is no post-side plan; the main deck must adapt by itself
Why it scores here
The deck is a WATER-centric system: 38 WATER main-deck cards, 15 searcher-text cards and 3 Ash Blossom copies give it a reasonable chance to reach a live starter. P(at least one archetype-core card in an opening 5) is about 0.64, so most hands can start, but the roughly 36% proxy brick rate and the mixed Atlantean, Mermail, Mulcharmy and Dominus sub-archetypes cap consistency. Interaction is broader than average (Dominus traps, Abyssgaios negation, multiple GY-triggered destroy effects, and Ash Blossom as a hand trap), which lifts the interaction and closing-power scores. The Extra Deck carries several 2800-3000 ATK bosses, which earn the closing-power score, while the zero-card side deck and the lack of recorded combos keep the adaptability and median-output scores low. Archetype popularity did not add points, and card scores were not averaged into the deck score; the score reflects the consistency, median output and interaction of the list as a whole.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 62 | P(at least one archetype-core card in opening 5) ~0.64; 15 searcher-text cards support a 2-card bootstrap (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 52 | Proxy full-brick estimate ~0.36 from hypergeometric core draw; mixed sub-archetypes add conflicting Normal Summon patterns (Inferred) |
| D3 | Combo Conversion & Ceiling | 55 | No parseable boards; ceiling rests on Poseidra Abyss and Abyssgaios text reads (Inferred) |
| D4 | Combo Floor & Median Output | 45 | No recorded boards; median output inferred from starter diversity and draw density (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 60 | Three hand traps, Dominus traps and multiple GY-triggered summons give alternative routes after disruption (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 58 | Discard-cost WATER engine with GY recursion and Mulcharmy draw effects (Inferred) |
| D7 | End-Board & Interaction Quality | 66 | Dominus traps, Abyssgaios negation and several destroy or banish effects across the Extra Deck and Main Deck (Inferred semantic) |
| D8 | Going-Second & Board-Breaking Power | 58 | Three Ash Blossom copies give a 0.39 going-second hand-6 chance; Mulcharmy draw effects help the second player (Inferred) |
| D9 | Offensive Pressure & Closing Power | 70 | Boss monsters at 2800-3000 ATK, with Atlantean Dragoons able to attack directly (Verified stat, Inferred closing) |
| D10 | Main Deck Efficiency & Flexibility | 55 | 40 main cards with 18 distinct names; only 4 exact Mulcharmy copies and 51 off-archetype copies lower coherence (Verified composition) |
| D11 | Extra Deck Efficiency & Coverage | 50 | 15 Extra cards: 9 Xyz and 6 Link; two generic Level 12 Xyz need Level 12 materials (Verified composition, Inferred access) |
| D12 | Side Deck Adaptability | 25 | No side deck (0 cards), so there is no post-side adaptability (Verified) |
| D13 | Matchup Coverage & Format Fit | 50 | No tournament or dated meta data; dimension is provisional and excluded from Structural (Provisional) |
| D14 | Pilotability & Error Tolerance | 50 | Multi-step WATER and GY trigger sequencing with several optional effects; moderate pilot load (Inferred) |
How the score was computed
Strategy profile: Midrange. Structural ≈ 56, Going First ≈ 58, Going Second ≈ 55, Meta = provisional, Tournament Reliability ≈ 52. Modifiers: engine_conflicts (-3); no_side_deck (-2); searcher_density (3). Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional; Structural is meta-neutral, D13 dropped and Midrange weights renormalized over 95)
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.64 · key two-card combo ≈ — · full-brick estimate ≈ 0.36 (all Inferred)
- Combo output: best PowerIndex —, median —, board-per-starter —
- Turn order: 0 going-first lines vs 0 going-second lines
Strengths
- Dense searcher and GY-summon engine across WATER monsters
- Broad interaction: three Ash Blossom copies, two Dominus traps, and destroy or negate effects on the Extra Deck bosses
- Multiple 2800-3000 ATK boss monsters for closing
Weaknesses
- Mixed sub-archetype identity lowers starter coherence
- No side deck for best-of-3 adaptation
- Generic Level 12 Xyz monsters are hard to reach with the WATER engine
Critical choke points
- Reliance on a Level 7 WATER starter and Extra Deck boss in the same hand
- Single Mulcharmy draw engine per opening (only 2 Fuwalos and 2 Purulia)
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | One Dominus Spiral | One further searcher or hand trap that fits the WATER engine | Cut the weakest trap to raise consistency; the exact card text and matchup value were not verified in this evidence |
| 2 | One generic Level 12 Xyz | One Atlantean or Mermail boss | Improve Extra Deck access from the WATER engine; this is a structural suggestion, not a tested result |
Evidence & confidence
- Verified: Legal list: 40 main, 15 extra, 0 side on master-duel; Copy counts and archetype purity of 7.3%; Probability table for opening hands
- Inferred: Consistency estimate from hypergeometric proxy; Interaction breadth from card text; Pilotability from trigger complexity
- Provisional: Meta power and matchup fit (no dated meta sample)
- 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 and starter rates are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied no guides attached for the archetype
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