Harpie Deck #771500 — Yu-Gi-Oh! OCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 20/100 (±8 · Confidence: Low)

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

Legality

Main 53 / Extra 17 / Side 0 — status under the rules at evaluation time: Illegal. 4 violation(s).

Identity & game plan

• Win condition: Xyz Summon high-ATK Train/Machine Xyz monsters (Superdreadnought Rail Cannon Gustav Rocket, Juggernaut Liebe, Flying Launcher) and attack through the board; Infinitrack River Stormer and Ravenous Tarantula as board-control and damage supplements
• Turn 1 (going first): Open a Train or Infinitrack starter, search with Urgent/Exceptional Schedule or Night Train, and build toward a Level 10 Xyz; only about 26% of 5-card hands contain any given 3-copy card
• Turn 2 (going second): Use Ash Blossom, Droll & Lock Bird, Maxx C and Ghost Sister to break the opponent's first turn, then rebuild through Mulcharmy draws and Train searches
• Recovery: Recycle Level 10 Machines from the GY through Night Train, Double Headed Anger Knuckle and Flying Pegasus Railroad Stampede; Mulcharmy monsters refill the hand
• After siding: No side deck is registered, so there is no post-side plan to evaluate

Why it scores here

This list is Illegal in OCG: the Extra Deck holds 17 cards against a maximum of 15, three Gustav Max copies exceed its Limited allowance of one, and Kashtira Arise-Heart and Varudras are Forbidden. Under the legality rule the Final Contextual score is capped at 20 and the evaluation is theoretical and structural only. Structurally the deck reaches a Level 10 Xyz through Train and Machine searchers (about 89% chance of at least one searcher in an opening 5-card hand, Inferred), has four hand traps and several negates for interaction, and ends in high-ATK Xyz monsters. Its weaknesses are an 'Harpie' label that does not match its cards (none are Harpie; the cards are Train, Infinitrack, Mulcharmy and K9), a heavy Extra Deck, and no side deck. Popularity and archetype usage did not earn points, and card scores were not averaged into the deck score.

Dimension scores

How the score was computed

Strategy profile: Midrange primary; Toolbox secondary noted but not blended into weights. Structural ≈ 48, Going First ≈ 45, Going Second ≈ 50, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: banlist exposure (-8); copy-limit overage (-2); extra-deck overflow (-2); legality cap (0). Final formula: Illegal deck (Step 2): unclamped 0.80*48 + 0.20*35 + modifiers(-12) = 33, capped to 20 as a theoretical/structural-only read. Meta Power is null (Provisional).

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.89 · 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 searcher text (18 cards) makes a Level 10 starter reachable in most hands
• Four hand traps and several negation or removal cards give interaction on both turns
• High-ATK Xyz finishers provide closing power

Weaknesses

• Illegal in OCG: Extra Deck overflow, copy-limit overage, and two Forbidden cards
• Archetype label Harpie does not match the cards, which are mostly Train, Infinitrack and Mulcharmy
• Heavy Extra Deck and 70 off-archetype copies lower engine coherence
• No side deck

Critical choke points

• Level 10 Machine starter access depends on a few Train searchers
• Gustav Max copy overage and Forbidden cards must be removed before the list is playable

Recommended changes

Evidence & confidence

• Verified: Legality: Illegal (Extra 17 > 15; Gustav Max 3 vs 1; Kashtira Arise-Heart and Varudras Forbidden); Copy histogram, type spread and archetype spread from evidence
• Inferred: Hypergeometric consistency estimates (searcher ~0.89, 3-copy starter ~0.26); Dimension scores D1 to D14 read from card text and composition
• Provisional: Meta Power (null, no dated metagame sample); Matchup fit D13 (no tournament data)
• Data gaps: No combos supplied: combo floor, median and ceiling are text-only inference No tournament link; archetype meta-share and per-pilot records absent No win-rate telemetry for this deck No side deck registered Deck archetype field (Harpie) does not match the card archetypes in the list