Cyclone Deck #774232 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 35/100 (±12 · Confidence: Low)

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

Legality

Main 40 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 3 violation(s).

Identity & game plan

• Win condition: Ritual and Link chains through Rebirth of Nephthys into Cerulean Sacred Phoenix or Nephthys, the Sacred Flame, converting Nephthys monsters into a 2400-3000 ATK board; Raigeki and Lightning Storm as one-sided board wipes once a board is established
• Turn 1 (going first): Search with Pre-Preparation of Rites or Preparation of Rites, then Ritual Summon via Rebirth of Nephthys into a Nephthys Ritual Monster, using Link Summons to reach the Extra Deck boss
• Turn 2 (going second): Hand Trap-free, so going second relies on Monster Reborn, Last Hope of Nephthys and Hand of Nephthys to break a board and then rebuild through the GY recursion of Sacred Phoenix of Nephthys
• Recovery: Chronicler, Defender and Disciple of Nephthys destroy hand cards to recover Nephthys monsters and spells from the Deck or GY, and Sacred Phoenix can be revived from the GY
• After siding: No Side Deck is registered, so there is no post-side plan; all adaptation is currently impossible

Why it scores here

Scored as a connected Nephthys ritual-and-link system, not as an average of its cards. Consistency is moderate: three copies each of the two searchers (Pre-Preparation of Rites, Rebirth of Nephthys) and an 82% chance of at least one searcher-text card in a 5-card opening give a reasonable path to a Ritual Summon, but the engine needs both a ritual spell and a fodder monster. The ceiling is high because Cerulean Sacred Phoenix (3000 ATK) and Sacred Flame (2400 ATK Link) can be reached through Rebirth and Link chains, while the median is held back by the many ritual-dependent starters that do nothing without the right Rebirth. Interaction is broad (Raigeki, Lightning Storm, Last Hope, Monster Reborn, Herald negations) but has no Side Deck and no Hand Traps. The deck is not scored higher for Cyclone's popularity or usage, and there is no tournament or win-rate data. The Illegal copy-limit violations (Herald of the Arc Light at 3, Pot of Extravagance at 2) cap the final score at 35.

Dimension scores

How the score was computed

Strategy profile: Combo. Structural ≈ 56, Going First ≈ 55, Going Second ≈ 52, Meta = provisional, Tournament Reliability ≈ 40. Modifiers: banlist_exposure (-8); illegal_cap (0). Final formula: No reliable metagame: 0.80*Structural(56) + 0.20*TournamentReliability(40) + modifiers(-8) = 44.8, then capped at 35 because the deck is Illegal (copy-limit violations). Theoretical/structural-only.

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.82 · 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 searchers (Pre-Preparation of Rites, Rebirth of Nephthys) and 11 searcher-text cards give good access to the engine
• Broad interaction package: Raigeki, Lightning Storm, Last Hope, Monster Reborn, Herald and Matriarch negations
• High ceiling from Cerulean Sacred Phoenix (3000 ATK) and Sacred Flame (2400 ATK Link)
• Nephthys recursion (Chronicler, Defender, Disciple, Sacred Phoenix) gives some resilience

Weaknesses

• Illegal: Herald of the Arc Light at 3 copies and Pot of Extravagance at 2 copies
• No Side Deck, so no post-side adaptation
• Many ritual-dependent starters that brick or stall without the right Rebirth
• High pilot burden from multi-step ritual, destruction and chain sequencing

Critical choke points

• Rebirth of Nephthys: the core ritual enabler; with only 3 copies, the 5-card opening hits it about 34% of the time
• Ritual fodder needed for Rebirth: without a second monster in hand or on the field, the engine stalls

Recommended changes

Evidence & confidence

• Verified: Main 40 and Extra 15 meet the Master Duel size rules; Herald of the Arc Light: 3 copies vs 1 legal (Limited); Pot of Extravagance: 2 copies vs 1 legal (Limited); Side Deck: 0 cards; Raigeki, Lightning Storm, Cerulean Sacred Phoenix and Sacred Flame text and stats
• Inferred: Opening-hand starter and searcher probabilities; Brick rate and combo ceiling from text; Interruption resilience from recursion text; Pilotability from step count
• Provisional: Meta Power is null; matchup and format fit (D13) are Provisional with no dated meta sample
• 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/starter rates) Meta Power is Provisional unless a dated metagame sample is supplied No Side Deck registered, so D12 is scored from the empty list