Snake-Eye Deck #754663 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 30/100 (±8 · Confidence: Low)

• Primary strategy: Midrange
• Secondary strategies: Combo, Toolbox
• Format: master-duel

Legality

Main 45 / Extra 23 / Side 0 — status under the rules at evaluation time: Illegal. 2 violation(s).

Identity & game plan

• Win condition: Crystal Beast / Rainbow Dragon board presence with Ultimate Crystal Rainbow Dragon Overdrive, plus Extra Deck link and Xyz pressure; Snake-Eye Diabellstar and Snake-Eyes Doomed Dragon beatdown
• Turn 1 (going first): Rainbow Bridge or Crystal Bond to fetch a Crystal Beast, then Normal Summon and extend into Link/Xyz boards (text-only read, Inferred)
• Turn 2 (going second): Forbidden Droplet or Forbidden Crown on the opposing board, followed by Rainbow Dragon if it survives (Inferred)
• Recovery: Crystal Beast monsters return to the Spell & Trap Zone as Continuous Spells after being destroyed, and Snake-Eye GY recursion (Inferred from card text)
• After siding: Not applicable: Master Duel has no side deck (side count 0)

Why it scores here

This list is a Crystal Beast and Snake-Eye hybrid, and its Crystal Beast core is the part that reliably opens. Three copies each of Rainbow Bridge, Crystal Bond, Golden Rule and Sapphire Pegasus give a searcher-rich opening: P(at least one searcher-text card in a 5-card hand) is about 0.86 (Inferred). The Snake-Eye core is thin, with exact-name purity at 4.4% and only 2 of 23 usage-core cards present, so the two engines conflict rather than reinforce each other. Interaction is the strongest area: Forbidden Droplet, Forbidden Crown, Crystal Miracle, Maxx C and Gravedigger's Trap Hole cover several disruption routes, and Rainbow Dragon supplies a 4000-ATK closer. Those strengths are offset by an Illegal list: a Forbidden card, a copy over the limit, and 23 Extra Deck cards against a 15-card maximum. Under the rubric's legality cap, the structural score (49.4) and the uncertainty are reported, but the final score is capped at 30 and labelled theoretical/structural-only. Popularity and usage data were not used as evidence of strength, and no card scores were averaged.

Dimension scores

How the score was computed

Strategy profile: Midrange. Structural ≈ 49.4, Going First ≈ 45, Going Second ≈ 42, Meta = provisional, Tournament Reliability ≈ 40. Modifiers: banlist exposure (-6); engine conflicts (-4); extra-deck size violation (-2). Final formula: No reliable metagame: 0.80*Structural + 0.20*TournamentReliability = 0.80*49.4 + 0.20*40 = 47.5; modifiers -12 gives 35.5; Illegal cap sets final to 30 (theoretical/structural-only)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.86 · 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

• Three-copy searcher engine (Rainbow Bridge, Crystal Bond, Golden Rule) gives high search density
• Layered interaction: Forbidden Droplet, Forbidden Crown, Crystal Miracle, Maxx C, Gravedigger's Trap Hole
• High-ATK closers: Rainbow Dragon 4000, Snake-Eyes Doomed Dragon 3000

Weaknesses

• Illegal list: Forbidden card run and Extra Deck 23 versus 15 maximum
• Engine conflict: Crystal Beast and Snake-Eye share little overlap (4.4% exact-name purity)
• No recorded boards, so the combo floor and median are unmeasured

Critical choke points

• Rainbow Bridge and Crystal Bond must fetch a Crystal Beast, so the Crystal Beast base is the single point of failure
• Legal correction is required before any normal score can apply

Recommended changes

Evidence & confidence

• Verified: Legality: Number 41 Forbidden, 1 copy run; Extra 23 > 15; main 45 within 40-60; Copy histogram and type spread from the deck list; Archetype purity: 4.4% exact-name, 65 off-archetype copies; Card stats such as Rainbow Dragon 4000 ATK
• Observed: Usage stats: 2 of 23 usage-core cards present (8.7%)
• Inferred: P(at least one searcher-text card in a 5-card hand) ≈ 0.86; Interaction density and negation coverage read from card text; Recursion and engine structure from card text; Going-first and going-second plan wording
• Provisional: Meta Power (null, no dated sample); Matchup and format fit (no tournament link); Side-deck adaptability (not applicable in Master Duel)
• 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, brick and starter rates are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied deck title is null; name taken as Snake-Eye archetype