Mathmech Deck #696233 — Yu-Gi-Oh! Master Duel
45 Main, 15 Extra, incl. Firewall Defenser x3, Mathmech Circular x3, Mulcharmy Fuwalos x3. Created May 2, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 05/02/2026
Main Deck (45)
- Dotscaper x1
- Droll & Lock Bird x2
- EM:P Meowmine x1
- Firewall Defenser x3
- Firewall Guardian x1
- Mathmech Circular x3
- Mathmech Multiplication x1
- Maxx "C" x1
- Micro Coder x1
- Mulcharmy Fuwalos x3
- Mulcharmy Purulia x3
- Parallel eXceed x2
- Wizard @Ignister x1
- Ash Blossom & Joyous Spring x3
- Backup @Ignister x3
- Ghost Belle & Haunted Mansion x2
- Mathmech Diameter x1
- Mathmech Sigma x1
- Called by the Grave x1
- Crossout Designator x1
- Cynet Mining x3
- Twin Twisters x2
- Cynet Conflict x1
- Infinite Impermanence x3
- Mathmech Superfactorial x1
Extra Deck (15)
- Cyberse Desavewurm x1
- Accesscode Talker x1
- Allied Code Talker @Ignister x1
- Cyberse Wicckid x1
- Decode Talker Heatsoul x1
- Firewall Dragon Darkfluid - Neo Tempest Terahertz x1
- G Golem Crystal Heart x1
- Linguriboh x1
- Link Decoder x1
- Link Spider x1
- Salamangreat Almiraj x1
- Splash Mage x1
- Transcode Talker x1
- Primathmech Alembertian x1
- Primathmech Laplacian x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 61/100 (±5 · Confidence: Medium)
| Overall score | Value |
|---|---|
| Structural Deck Power | 62 |
| Going First | 64 |
| Going Second | 60 |
| Meta Power | provisional |
| Tournament Reliability | 55 |
- Primary strategy: Stun
- Secondary strategies: Control
- Format: master-duel
Legality
Main 45 / Extra 15 / Side 0 — status: Legal.
Identity & game plan
- Win condition: Maintain board control with hand traps and negation, then finish with high‑ATK Cyberse links.; Conditional OTK via Mathmech Synchro/XYZ combos when key pieces are assembled.
- Turn 1 (going first): Activate hand traps, search Mathmech core with Cyberse searchers, establish a Link or Xyz monster.
- Turn 2 (going second): Use hand‑trap draw engines to disrupt opponent, then summon Mathmech board using extra‑deck links.
- Recovery: Leverage Mulcharmy draw effects, Droll & Lock Bird, Maxx "C", and Cyberse recursion to rebuild after disruption.
- After siding: Swap extra‑deck links (Accesscode Talker, Allied Code Talker, Firewall Dragon) to adapt to opponent's board after side‑decking.
Why it scores here
The deck reliably opens with at least one core Mathmech or Ignister card (>92% chance), giving a solid starter. Hand traps and numerous negation cards provide strong interaction and resilience to disruption. Draw engines (Mulcharmy, Droll & Lock Bird, Maxx "C") supply resource recovery, while a full 15‑card extra deck offers multiple finishing routes. However, low archetype purity and the absence of a side deck lower efficiency and adaptability, keeping the overall power in the low‑mid range.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 85 | Core Mathmech/Ignister group (17 copies) appears in >92% of opening hands (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 60 | Hand‑trap/searcher mix yields an estimated brick rate of ~8% (Inferred) |
| D3 | Combo Conversion & Ceiling | 70 | Potential OTK via Mathmech Synchro/XYZ can reach ~80 PowerIndex in theory (Inferred) |
| D4 | Combo Floor & Median Output | 55 | Typical midrange board produces median PowerIndex around 55 (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 70 | Multiple independent starters and recursion tools give good interruption resilience (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 75 | Draw engines and GY recursion provide net card advantage over turns (Inferred) |
| D7 | End-Board & Interaction Quality | 80 | 14 cards flagged with negation, plus hand traps, give high interaction density (Verified) |
| D8 | Going-Second & Board-Breaking Power | 65 | Hand‑trap density and board‑breakers like Twin Twisters and Crossout Designator support going‑second pressure (Inferred) |
| D9 | Offensive Pressure & Closing Power | 65 | End‑board includes 3000‑ATK Link Dragon and several 2300‑ATK links for solid closing power (Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 55 | 45‑card main deck with only 15% archetype purity spreads resources thin (Inferred) |
| D11 | Extra Deck Efficiency & Coverage | 60 | All 15 extra‑deck slots filled, though many are generic links, giving moderate coverage (Inferred) |
| D12 | Side Deck Adaptability | 30 | No side deck present, limiting post‑side adaptability (Verified) |
| D13 | Matchup Coverage & Format Fit | 40 | No tournament data; matchup fit remains provisional (Provisional) |
| D14 | Pilotability & Error Tolerance | 55 | Complex decision‑tree with many hand traps and tech choices raises error tolerance (Inferred) |
How the score was computed
Strategy profile: Stun. Structural ≈ 62, Going First ≈ 64, Going Second ≈ 60, Meta = provisional, Tournament Reliability ≈ 55. Modifiers: none. Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional)
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.92 · key two-card combo ≈ — · full-brick estimate ≈ 0.08 (all Inferred)
- Combo output: best PowerIndex —, median —, board-per-starter —
- Turn order: 0 going-first lines vs 0 going-second lines
Strengths
- Very high hand‑trap and negation density
- Strong draw and recursion engines
- Full extra‑deck providing many finishing options
Weaknesses
- Low archetype purity; many off‑archetype staples dilute focus
- No side deck limits adaptability after the first game
- Combo consistency uncertain due to lack of recorded boards
Critical choke points
- Need at least one Mathmech Circular or Backup @Ignister early to start the engine
- Reliance on hand‑trap draw engines to recover after disruption
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | Some generic Link monsters (e.g., Link Decoder, Linguriboh) | More Mathmech core monsters (e.g., Mathmech Subtraction, Mathmech Addition) | Increase archetype purity and improve combo consistency |
| 2 | None | Side‑deck cards such as Cosmic Cyclone, D.D. Crow, or Twin Twisters variants | Add post‑side adaptability and board‑break options |
Evidence & confidence
- Verified: role counts show 14 negation cards; side deck empty; legality status is Legal
- Inferred: Core group appears in >92% of opening hands; Brick rate estimated at ~8%; Potential OTK ceiling ~80 PowerIndex; Median board PowerIndex ~55; Multiple independent starters give resilience; Draw engines provide net advantage; High interaction density from hand traps and negators; Going‑second board‑breaking potential moderate; End‑board ATK values support closing power; Low archetype purity reduces efficiency; Extra‑deck coverage moderate; Complexity raises error tolerance
- Provisional: Matchup fit provisional due to missing tournament data
- 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
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