Labrynth Deck #773831 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 57/100 (±8 · Confidence: Medium)

• Primary strategy: Control
• Secondary strategies: Toolbox
• Format: master-duel

Legality

Main 40 / Extra 15 / Side 0 — status: Legal.

Identity & game plan

• Win condition: Labrynth Normal Trap chains set up a board of Synchro, Link and Xyz boss monsters (Chaos Angel, Psychic End Punisher, Super Starslayer TY-PHON, Lady and Lovely Labrynth) that out-attribute the opponent's board.; Attrition: traps and recursion effects (Big Welcome Labrynth, Welcome Labrynth, Dominus Spark) keep returning cards while the opponent runs out of resources.
• Turn 1 (going first): Open with a searcher (Arianna, Labrynth Cooclock or Welcome Labrynth) to find a Normal Trap, set it, and hold Trap Trick or Dimensional Barrier to protect the setup for one turn.
• Turn 2 (going second): Use the set Normal Traps and Dominus Impulse or Songs of the Dominators to negate the opponent's first summon or Special Summon chain, then convert the saved resources into a Lady Labrynth or Extra Deck boss.
• Recovery: Recover from a cleared board by recycling Normal Traps and Labrynth monsters from the Graveyard (Stovie Torbie, Chandraglier, Big Welcome) and re-deploying Lady Labrynth.
• After siding: No Side Deck is registered (0 side cards); the list has no post-side plan in its current build, and Master Duel is normally played without one.

Why it scores here

The deck reliably opens a functional Labrynth plan: three copies of the searchers Arianna and Labrynth Cooclock give about a 74 percent chance of at least one searcher in a 5-card opening hand, and the 17 monsters keep most hands from being all traps (Inferred). Its strength is in the system rather than the individual cards: the Normal Trap engine, the trap-based negates (Dominus Impulse, Songs of the Dominators, Maxx C as a hand trap) and the recursion effects give it interaction and resource recovery across turns. The Extra Deck (two Chaos Angel, two Malong, Psychic End Punisher, Super Starslayer TY-PHON, seven Links) gives it closing power, but no recorded boards exist, so the conversion and floor scores are text-only inference. Popularity and archetype share earned no points (no tournament data), and card scores were not averaged; the score is driven by consistency, recovery, interaction and closing on the whole list, with a modest penalty for its cross-archetype spread (27 percent exact-name purity) and the Limited Maxx C.

Dimension scores

How the score was computed

Strategy profile: Control. Structural ≈ 62, Going First ≈ 66, Going Second ≈ 62, Meta = provisional, Tournament Reliability ≈ 55. Modifiers: engine_conflicts_cross_archetype (-2); banlist_exposure_limited_card (-1). Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional); Structural = Control profile with D13 dropped and renormalised over 93 weight points = 61.7; 0.80*61.7 + 0.20*55 = 60.4, then modifiers -3 = 57.4 -> 57

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.34 · 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

• Dense search and recursion engine (9 searcher texts, Arianna and Cooclock on Normal Summon, Big Welcome and Welcome Labrynth recursion)
• Layered interaction: Dominus Impulse, Songs of the Dominators, Trap Trick, Dimensional Barrier and Maxx C
• Strong Extra Deck closing power (Chaos Angel x2, Psychic End Punisher, Super Starslayer TY-PHON)

Weaknesses

• Exact-name purity is only 27 percent; the engine is spread across Dominus, Unchained and Chaos sub-archetypes
• 23 trap cards in 40 main slots raise the risk of trap-only hands
• No Side Deck and no recorded boards, so post-side and combo claims cannot be verified

Critical choke points

• Normal Trap in the Graveyard for Big Welcome and Welcome Labrynth recursion
• A Labrynth monster on the field to set and activate Normal Traps
• Maxx C as the only hand trap (1 copy, Limited)

Recommended changes

Evidence & confidence

• Verified: Main 40 / Extra 15 / Side 0 are within Master Duel size rules; All cards are Unlimited except Maxx C (Limited, 1/1 copy); Card stats for Chaos Angel, Lady Labrynth, Psychic End Punisher, Super Starslayer TY-PHON; Hypergeometric probabilities (0.3376, 0.3943, 0.7418, 0.15)
• Observed: One guide (Hướng Dẫn Chơi Labrynth) describes the deck as a trap-heavy control list
• Inferred: Normal Trap engine and recursion reliability; Interaction density from negate and removal text; Extra Deck closing power under the Control profile
• Provisional: Meta power (no dated metagame sample); Tournament matchup fit (no tournament link); Side deck adaptability (no Side Deck)
• Data gaps: No combos supplied: combo floor, median and ceiling are text-only inference No tournament link: archetype meta-share and per-pilot match record absent No win-rate telemetry (going-first/second, matchup, brick or starter rates) Meta power is provisional without a dated metagame sample No Side Deck registered, so post-side is unscored Guide is a single humorous Vietnamese post; it gives intent, not verified line details