Fiendsmith Deck #762672 — Yu-Gi-Oh! Master Duel
40 Main, 14 Extra, incl. Mulcharmy Fuwalos x3, Radiant Typhoon Eldam x3, Radiant Typhoon Swen x3. Created Oct 6, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/06/2026
Main Deck (40)
- Droll & Lock Bird x2
- Fabled Lurrie x1
- Fiendsmith Engraver x2
- Lacrima the Crimson Tears x1
- Maxx "C" x1
- Mulcharmy Fuwalos x3
- Radiant Typhoon Eldam x3
- Radiant Typhoon Swen x3
- Speedroid Taketomborg x1
- Speedroid Terrortop x3
- Zoodiac Ramram x1
- Zoodiac Ratpier x2
- Zoodiac Thoroughblade x1
- Ash Blossom & Joyous Spring x3
- Fiendsmith's Tract x1
- Fire Formation - Tenki x3
- Piri Reis Map x3
- Radiant Typhoon Chant x2
- Zoodiac Barrage x3
- Zoodiac Combo x1
Extra Deck (14)
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 25/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 50 |
| Going First | 50 |
| Going Second | 55 |
| Meta Power | provisional |
| Tournament Reliability | 45 |
- Primary strategy: Control
- Secondary strategies: Toolbox, Midrange
- Format: master-duel
Legality
Main 40 / Extra 14 / Side 0 — status under the rules at evaluation time: Illegal. 1 violation(s).
Identity & game plan
- Win condition: Fiendsmith Extra Deck monsters (Desirae, Requiem, Sequence) and Xyz/Link beatsticks after the board is cleared or stabilised; Zoodiac Xyz monsters (Chakanine, Broadbull, Tigermortar) built from the Zoodiac Level 4 core
- Turn 1 (going first): Turn 1: searcher or Radiant Typhoon / Speedroid summon, then set up disruption (Maxx C, Droll, Ash) and search a Fiendsmith or Zoodiac starter
- Turn 2 (going second): Use hand traps (Ash, Droll, Maxx C) on the opponent's first summon or search, then rebuild the board with Fiendsmith Lacrima and Engraver recursion
- Recovery: Recover from the GY through Fiendsmith Lacrima and Engraver GY effects and Zoodiac Ramram / Ratpier revival, then rebuild a Link or Xyz board
- After siding: No side deck in Master Duel (side size 0-15 is not used), so there is no post-side plan to evaluate; D12 is provisional
Why it scores here
The deck is scored as a system on the Control profile, not by averaging card scores. Searcher density is high (20 searcher-text copies; P(at least one in a 5-card opening hand) = 0.976), so the deck reliably finds a starter, which lifts D1. Interaction is broad (6 hand-trap copies, P(at least one in a 6-card hand going second) = 0.65, plus Maxx C, Droll and Ash-style negates), which carries D7 and D8. Scores are held down by three engines sharing one list: exact Fiendsmith name purity is only 13% (7 of 54 archetype-named copies), with 16 Zoodiac, 8 Radiant Typhoon and 3 Fire Formation copies on the Main Deck, so the engine coheres weakly and the list is prone to bricks. No combo boards were recorded, so the floor, median and ceiling scores rest on text inference only. The deck is also illegal (3 copies of Radiant Typhoon Eldam against a limit of 2), so it is capped low and the score is theoretical/structural only. The guide describes it as a Fiendsmith control list, which supports the Control read, but popularity and the guide do not add points.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 60 | P(>=1 searcher in opening 5) = 0.976; core engine copies spread across three archetypes, exact-name purity 13% (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 45 | Three engines plus 6 hand-trap and 6 tech copies create conflicting and dead hands; P(>=1 hand trap in 6 going second) = 0.65 (Inferred) |
| D3 | Combo Conversion & Ceiling | 40 | No parseable boards in combos_evidence; ceiling inferred from text only, e.g. Desirae and Requiem chains with Engraver recursion (Inferred) |
| D4 | Combo Floor & Median Output | 35 | No recorded boards; median output cannot be measured and is inferred to be modest because of engine conflict (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 55 | Multiple hand traps, GY recursion (Lacrima, Engraver, Ramram) and two Zoodiac Xyz routes give partial redundancy (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 55 | 20 searcher-text copies and GY recursion support a rebuild, but many cards are one-shot Xyz and Link materials (Inferred) |
| D7 | End-Board & Interaction Quality | 60 | Ash, Droll, Maxx C, Radiant Typhoon Chant and Desirae negate text give layered interaction (Inferred semantic read) |
| D8 | Going-Second & Board-Breaking Power | 58 | Going-second hand traps (6 copies, 0.65 hit rate) and Desirae negation support challenging a board (Inferred) |
| D9 | Offensive Pressure & Closing Power | 50 | Desirae (2800 ATK) and Xyz/Link finishers give a closing route, but no end-board data is supplied (Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 45 | 40 Main with 20 distinct cards and 13% exact-name purity; 47 off-archetype copies lower coherence (Verified composition, Inferred effect) |
| D11 | Extra Deck Efficiency & Coverage | 48 | 14 Extra slots across Xyz (9), Link (4) and Fusion (1); only one Fusion, and no mandatory-slot data (Verified composition, Inferred) |
| D12 | Side Deck Adaptability | 30 | Master Duel has no side deck (side size 0 in the evidence), so there is no post-side data; provisional (Provisional) |
| D13 | Matchup Coverage & Format Fit | 40 | Archetype share and tournament link are absent, and no dated metagame sample exists; provisional (Provisional) |
| D14 | Pilotability & Error Tolerance | 40 | Three engines, many Xyz and Link prerequisites and several decision points per turn make the deck hard to pilot (Inferred) |
How the score was computed
Strategy profile: Control 100% (primary); Toolbox noted as secondary, not blended. Structural ≈ 50, Going First ≈ 50, Going Second ≈ 55, Meta = provisional, Tournament Reliability ≈ 45. Modifiers: Illegal copy limit (banlist exposure) (-8); Engine conflict across three archetypes (-4). Final formula: No reliable metagame: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers = 0.80*50 + 0.20*45 - 12 = 37; Illegal cap applied (over copy limit) so the score is set to 25, theoretical/structural only
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.98 · 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
- Searcher density gives a near-certain starter in opening hands (P = 0.976)
- Layered interaction: 6 hand traps, Maxx C, Droll and Desirae negate text
- Recursion from the GY (Lacrima, Engraver, Ramram) supports a grind
Weaknesses
- Illegal as built: Radiant Typhoon Eldam at 3 copies (limit 2)
- Three engines (Zoodiac, Radiant Typhoon, Fiendsmith) with exact-name purity of 13%
- No recorded boards, so the combo ceiling and median are unmeasured
Critical choke points
- Desirae and Fiendsmith Requiem, the Extra Deck closers, depend on Fiendsmith Lacrima and Engraver being in hand or GY
- Radiant Typhoon Eldam's limit violation makes the list unplayable until one copy is removed
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | 1 copy of Radiant Typhoon Eldam | 0 (or a legal Zoodiac or Fiendsmith card) | Bring the list within the Master Duel copy limit of 2; this is required before any normal score applies |
| 2 | Radiant Typhoon Chant or Radiant Typhoon Swen (one of the two Radiant engines) | 1 more Fiendsmith or Zoodiac card | Reduce engine conflict across three archetypes and raise exact-name purity |
Evidence & confidence
- Verified: Radiant Typhoon Eldam at 3 copies exceeds the Master Duel limit of 2 (Illegal); Main 40, Extra 14, Side 0 match Master Duel size rules; Exact-name archetype purity 13% (7 of 54 archetype copies); Searcher text on 20 copies; hand-trap copies 6
- Inferred: P(>=1 searcher in 5) = 0.976 and P(>=1 hand trap in 6 going second) = 0.65 from hypergeometric estimates; Control profile fits: hand traps, negates and GY recursion outweigh the combo ceiling; Brick and conflict risk from three engines
- Provisional: Meta Power (null) and D13 matchup fit: no dated metagame sample or tournament link; D12 side adaptability: Master Duel has no side deck
- Data gaps: No combos supplied, so floor, median and ceiling are text-only inference No tournament link: archetype meta-share and per-pilot match record are absent No win-rate telemetry (going-first/second, matchup, brick and starter rates) Meta Power is provisional without a dated metagame sample Deck title is null in the export
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