Labrynth Deck #747486 — Yu-Gi-Oh! Master Duel
42 Main, 15 Extra, incl. Arianna the Labrynth Servant x3, Fydraulis Harmonia x3, Big Welcome Labrynth x3. Created Sep 4, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 09/04/2026
Main Deck (42)
- Ariane the Labrynth Servant x1
- Arianna the Labrynth Servant x3
- Arias the Labrynth Butler x2
- Labrynth Chandraglier x2
- Labrynth Cooclock x1
- Labrynth Stovie Torbie x2
- Lady Labrynth of the Silver Castle x2
- Lovely Labrynth of the Silver Castle x1
- Maxx "C" x1
- Unchained Soul of Sharvara x1
- Fydraulis Harmonia x3
- Big Welcome Labrynth x3
- Destructive Daruma Karma Cannon x2
- Dimensional Barrier x2
- Dominus Impulse x3
- Dominus Spark x2
- Songs of the Dominators x2
- The Black Goat Laughs x1
- Transaction Rollback x1
- Trap Holic x3
- Trap Trick x2
- Welcome Labrynth x2
Extra Deck (15)
- A Bao A Qu, the Lightless Shadow x1
- Muckraker From the Underworld x1
- S:P Little Knight x1
- Unchained Soul Lord of Yama x2
- Unchained Soul of Anguish x1
- Unchained Soul of Rage x1
- W:P Fancy Ball x1
- Chaos Angel x1
- Enigmaster Packbit x1
- PSY-Framelord Omega x1
- Psychic End Punisher x1
- Wind Pegasus @Ignister x1
- Golden Cloud Beast - Malong x1
- Super Starslayer TY-PHON - Sky Crisis x1
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43± 10/ 100
Power Score
Structural
56
Reliability
50
Going First
55
Going Second
60
Deck — Deck Power Evaluation
Final Contextual Deck Power: 43/100 (±10 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 56 |
| Going First | 55 |
| Going Second | 60 |
| Meta Power | provisional |
| Tournament Reliability | 50 |
- Primary strategy: Control
- Secondary strategies: Toolbox
- Format: master-duel
Legality
Main 42 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 1 violation(s).
Identity & game plan
- Win condition: Normal Trap chains that recur Labrynth monsters and set up Lady Labrynth / Lovely Labrynth boards, closed by Link and Synchro end-boards; Extra Deck Link and Synchro boards built from Unchained, Chaos Angel and Psychic End Punisher pieces (theoretical; no combo data)
- Turn 1 (going first): Open on Labrynth starters (Arianna, Ariane, Chandraglier, Stovie Torbie, Cooclock) and set Normal Traps to start the Labrynth engine; the Forbidden PSY-Framelord Omega line must be removed before this is playable
- Turn 2 (going second): Use Maxx C and the Dominus / Songs of the Dominators hand and trap interaction to answer the opponent's first board, then recur through Labrynth Normal Trap plays
- Recovery: Recur Labrynth monsters and Normal Traps from the GY (Cooclock, Stovie Torbie, Chandraglier, Lovely Labrynth) to rebuild the Normal Trap engine after a disruption
- After siding: No Side Deck is run (Side Deck size 0), so there is no post-side plan; best-of-3 adaptation is unavailable as built
Why it scores here
This Labrynth list reliably opens its engine: the archetype core is present in the opening hand about 99.9% of the time (Inferred, hypergeometric), so the deck is seldom dead on the first turn. Its interaction is layered across Normal Traps, hand traps (Maxx C, Dominus Impulse, Dominus Spark, Songs of the Dominators) and a Trap Holic / Trap Trick line, which earns the Control-profile interaction and resource scores. Combo conversion and median output could not be measured because no recorded boards exist, so those scores are Inferred from card text only and carry wide uncertainty. The deck is Illegal as built because the Forbidden PSY-Framelord Omega is run at one copy, and it has no Side Deck, so it cannot adapt after siding; the score is therefore structural-only and capped low. Popularity and archetype usage stats confirm the list is real and accessible but did not add points, and card scores were not averaged into the deck score.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 70 | P(at least one Labrynth core card in a 5-card opening hand) = 0.9991; starter density is high across 23 Normal Traps and multiple Labrynth monsters (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 60 | 22 distinct Main Deck cards with a 1-3 copy histogram and some conflicting Normal Summon and trap-timing bricks; no full-brick estimate was computed (Inferred) |
| D3 | Combo Conversion & Ceiling | 55 | No parseable recorded boards (combo data total 0); ceiling is a text-only read of Lady and Lovely Labrynth recursion and Link/Synchro extension (Inferred) |
| D4 | Combo Floor & Median Output | 45 | No recorded board sample, so median output and the power distribution are unknown and assumed mid-range from text only (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 60 | Several Labrynth monsters recur from the GY and Normal Traps can be re-Set from the Deck, giving multiple independent restart routes (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 55 | Recursion and search text (Cooclock, Stovie Torbie, Chandraglier, Arianna search) offset heavy Normal Trap spend; no resource profile data (Inferred) |
| D7 | End-Board & Interaction Quality | 70 | Seven negation-text cards, one hand trap plus Maxx C and removal-text traps (Trap Holic, Dominus Spark, Trap Trick, Transaction Rollback) give layered end-board interaction (Inferred semantic read from card text) |
| D8 | Going-Second & Board-Breaking Power | 60 | Hand traps and negation text (Maxx C, Dominus Impulse, Songs of the Dominators) answer a going-second board, but there is no going-second combo split (Inferred) |
| D9 | Offensive Pressure & Closing Power | 55 | Lady Labrynth (3000 ATK) and Lovely Labrynth (2900 ATK) plus Link and Synchro bosses give closing stats, but direct or piercing pressure is limited (Verified stat, Inferred read) |
| D10 | Main Deck Efficiency & Flexibility | 60 | 42 Main Deck cards inside the 40-60 size rule; exact Labrynth name purity is 33.3%, but the sub-archetype spread is coherent with an off-archetype count of 38 (Verified composition, Inferred coherence) |
| D11 | Extra Deck Efficiency & Coverage | 50 | 15 Extra Deck cards at the 15 limit: 8 Link, 6 Synchro, 1 Xyz; one of them (PSY-Framelord Omega) is Forbidden, so a slot is wasted until replaced (Verified) |
| D12 | Side Deck Adaptability | 15 | No Side Deck (Side Deck size 0); no post-side plan can be scored, so this is a near-floor value (Verified composition) |
| D13 | Matchup Coverage & Format Fit | 45 | No tournament data or dated meta sample supplied; matchup fit is Provisional and only the archetype usage stat is available (Provisional) |
| D14 | Pilotability & Error Tolerance | 40 | Normal Trap timing, Set-card interactions and multi-zone Extra Deck routes raise the decision load; step count is estimated from text, not from boards (Inferred) |
How the score was computed
Strategy profile: Control. Structural ≈ 56, Going First ≈ 55, Going Second ≈ 60, Meta = provisional, Tournament Reliability ≈ 50. Modifiers: banlist exposure (-12). Final formula: No reliable metagame: 0.80*Structural(56) + 0.20*TournamentReliability(50) + ContextModifiers(-12) = 43; Illegal deck, so this is a structural-only, capped score (Meta provisional)
Probability & combo summary
- Opening a starter: P(≥1) ≈ 1 · 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
- Core Labrynth engine is nearly always present in the opening hand (P = 0.9991, Inferred)
- Layered interaction: hand traps, Dominus negation and Normal Trap removal text
- Restart and recursion routes through Lady/Lovely Labrynth and Normal Trap recursion
- Compact 42-card Main Deck within the 40-60 size rule
Weaknesses
- Illegal as built: PSY-Framelord Omega is Forbidden and run at one copy
- No Side Deck, so no post-side adaptation
- No recorded boards, so combo conversion and median output are unmeasured
- Low exact-name purity (33.3%) makes the engine rely on sub-archetype and generic cards
Critical choke points
- Normal Trap timing: many lines need a Normal Trap in hand, Set, or GY
- Forbidden Extra Deck slot must be replaced before the list is playable
- Single-copy Maxx C is a hand-trap choke for going second
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | PSY-Framelord Omega | a legal Synchro or Link monster that fits the Labrynth Normal Trap plan | The deck is Illegal in Master Duel (Forbidden card) and cannot receive a normal score until it is removed |
| 2 | none (no slot change proposed) | a Side Deck of 5-15 cards covering the most-played opposing engines | A Side Deck of 0 leaves the deck with no post-side plan, which caps D12 and Tournament Reliability |
Evidence & confidence
- Verified: Forbidden status and one-copy violation of PSY-Framelord Omega in BanMasterDuel; Main 42 / Extra 15 / Side 0 composition; Archetype core usage stat present for 15 of 18 core cards (83.3%)
- Inferred: Opening-hand starter probability 0.9991 for the Labrynth core; Interaction density from Normal Trap and hand-trap card text; Recursion and restart routes from card text
- Provisional: Meta Power and matchup fit (no dated metagame sample); Tournament reliability (no tournament link)
- 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 for going-first/second, matchup, brick or starter rates Meta Power is Provisional unless a dated metagame sample is supplied No Side Deck supplied, so post-side plan cannot be evaluated Deck title is null in the export
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