Shark Deck #771947 — Yu-Gi-Oh! OCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 39/100 (±10 · Confidence: Low)

• Primary strategy: Midrange
• Secondary strategies: Toolbox, Xyz
• Format: ocg

Legality

Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 1 violation(s).

Identity & game plan

• Win condition: Xyz boss monsters (Surfacing Big Jaws / Drake Shark / Hydrojet Shark chain into Shark Xyz and Number Xyz) overwhelming the board in the mid-game; Fusion and Xyz follow-up from Extra Deck (Elder Entity Norden, Mudragon, Toadally Awesome) after hand-trap and removal interaction
• Turn 1 (going first): Open a Water starter (Surfacing Big Jaws, Buzzsaw Shark, Mulcharmy line), search or Special Summon a Fish/Aqua into an Xyz Summon, and hold Full-Armored Xyz / Virtue Stream for backrow removal
• Turn 2 (going second): Use Ash Blossom, Droll & Lock Bird, Maxx "C", Red Reboot and Ghost Ogre to break the opponent's first board, then Xyz Summon over the remaining field
• Recovery: Mulcharmy draw effects and Seventh Ascension / Seventh Tachyon searches refill hand; Xyz materials are reused through Reincarnation Unveiling Mail and LeVirtue Dragon
• After siding: Not evaluable: the deck has no Side Deck (Side Deck size 0), so there is no post-side plan

Why it scores here

This is an illegal OCG list: one copy of Bahamut Shark is Forbidden, so the deck is scored structurally only and capped low. Its engine is reasonably accessible, since the Shark, Mulcharmy and Surfacing Big Jaws starters are run at three copies and the archetype core is present in 96% of 6-card hands in the hypergeometric proxy. The interaction suite (eight hand traps, Ash Blossom, Droll & Lock Bird, Red Reboot, Ghost Ogre, Maxx "C", plus removal text on 23 cards) is the strongest part of the system and drives the going-second read. The deck is held back by a high singleton count (17 singletons, 31 distinct main-deck cards), no Side Deck, and no recorded combos to confirm a real ceiling or median output. Popularity and archetype usage stats were not used to add points, and card scores were not averaged.

Dimension scores

How the score was computed

Strategy profile: Midrange primary; Toolbox noted as secondary, not blended into weights. Structural ≈ 54, Going First ≈ 52, Going Second ≈ 58, Meta = provisional, Tournament Reliability ≈ 40. Modifiers: banlist exposure (Forbidden card) (-12). Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional) = 0.80*54 + 0.20*40 ≈ 51, then -12 banlist-exposure modifier = 39; illegal list, structural-only

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.25 · 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

• Archetype core is well represented (3 copies of Surfacing Big Jaws, Buzzsaw Shark, Mulcharmy Fuwalos and Purulia, Seventh Ascension)
• Dense interaction: 8 hand traps and 23 removal-text cards give strong end-board and going-second options
• Extra Deck coverage across Xyz and Fusion with several boss options

Weaknesses

• Illegal list: Bahamut Shark is Forbidden in OCG
• No Side Deck, so no post-side adaptation
• High singleton count (17) and low archetype purity (4.3% exact-name) reduce consistency
• No recorded combos, guides or tournament data to confirm conversion or median output

Critical choke points

• Bahamut Shark is a Forbidden card in the Extra Deck; the list cannot be played as built
• Mulcharmy and Surfacing Big Jaws starters: a hand without a Level 4 Water/Fish starter has no early engine

Recommended changes

Evidence & confidence

• Verified: Bahamut Shark is Forbidden in OCG and is run at 1 copy, making the list illegal; Main Deck size 55 (within 40–60) and Extra Deck size 15 (within 0–15); Copy histogram: 17 singletons, 4 doubles, 10 triples; Archetype exact-name purity 4.3%; core usage stats show 15 of 23 core cards present
• Inferred: Opening-hand starter access and hand-trap odds from hypergeometric draw table; Interaction density from card text tags (13 negation, 23 removal, 8 hand traps); Dimension scores D1–D11 and D14 are text-based estimates; no recorded boards exist
• Provisional: Meta Power is null; no dated metagame sample or tournament link; Matchup and format fit (D13) are not measured
• Data gaps: no combos supplied: combo floor/median/ceiling is text-only inference no tournament link: archetype meta-share and per-pilot record absent no guides attached for the archetype no win-rate telemetry in YGOVN: going-first/second, matchup and brick rates are Inferred or Unknown Meta Power is Provisional without a dated metagame sample no Side Deck: post-side plan cannot be evaluated