Harpie Deck #761520 — Yu-Gi-Oh! OCG

Deck — Deck Power Evaluation

Final Contextual Deck Power: 25/100 (±8 · Confidence: Low)

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

Legality

Main 53 / Extra 18 / Side 0 — status: Illegal. 2 violation(s).

Identity & game plan

• Win condition: Harpie-core Link and Synchro boards (Harpie Conductor, Cyber Slash Harpie Lady) supported by Radiant Typhoon Quick-Play pressure (Inferred from card text); Fusion and Link pressure from Dragon Knight Draco-Equiste, World Chalice Guardragon Almarduke and Radiant Typhoon Varuroon (Inferred)
• Turn 1 (going first): Open a Harpie or Radiant Typhoon starter, search Hysteric Sign or Harpie Queen into Harpies' Hunting Ground, and use Mystical Space Typhoon to clear backrow (Inferred)
• Turn 2 (going second): Hold Ash Blossom, Maxx C and Ultimate Sky to answer the first opposing summon or activation, then rebuild through Radiant Typhoon Mandate and Quick-Play recursion (Inferred)
• Recovery: Radiant Typhoon Chant and Harpie Queen return cards to hand, and Mist Valley Apex Avian can restart from the Graveyard (Inferred)
• After siding: Not evaluable: the deck runs no Side Deck (side_count 0), so no post-side plan exists

Why it scores here

The deck is Illegal in OCG: it runs one copy of the Forbidden Simorgh, Bird of Sovereignty, and an 18-card Extra Deck against a limit of 15, so it receives a capped, theoretical-only score. Within that structural read, the Radiant Typhoon and Harpie engines give a moderate chance of a live starter by turn 2 (P(at least one starter in a 5-card hand) is about 0.90 for the searcher text group, Inferred), and the interaction suite (Ash Blossom, Maxx C, Mystical Space Typhoon, Harpie's Feather Duster, Ultimate Sky, Dominus Purge) gives good breadth on the end board. Conversion and floor output could not be measured because no combos were supplied, so the ceiling and median scores rest on card text alone. The deck has no Side Deck and a sprawling Extra Deck with 12 Fusion monsters, which lowers the post-side and Extra Deck efficiency dimensions. Popularity was not credited: the Harpie archetype shows only 12 exact-name copies of 71, and the score was not built by averaging card scores.

Dimension scores

How the score was computed

Strategy profile: Midrange. Structural ≈ 47, Going First ≈ 46, Going Second ≈ 44, Meta = provisional, Tournament Reliability ≈ 40. Modifiers: banlist exposure (-12). Final formula: No reliable metagame: 0.80*Structural(47.2) + 0.20*TournamentReliability(40) = 45.8; modifiers -12 gives 33.8; Illegal-deck cap applied, final 25 (theoretical/structural only)

Probability & combo summary

• Opening a starter: P(≥1) ≈ 0.9 · 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

• Layered interaction suite across hand traps, Quick-Play negation and backrow removal
• Dense searcher text (19 cards) that supports consistent starter access
• Good Harpie and Radiant Typhoon synergy with 3-copy staples

Weaknesses

• Illegal in OCG: a Forbidden card and an Extra Deck of 18 over the limit of 15
• No Side Deck, so no post-side plan
• Extra Deck overflow (12 Fusion monsters) reduces the efficiency of Extra Deck access
• Only 12 of 71 cards match the exact Harpie name, so the engine is diffuse

Critical choke points

• Simorgh is Forbidden and must be removed before the list can be played in this format
• Harpie Lady and Mystical Space Typhoon are the key cards for both the Harpie and Radiant Typhoon lines

Recommended changes

Evidence & confidence

• Verified: Legality: 53 main, 18 extra, 0 side; Simorgh is Forbidden in OCG with 0 legal copies; Extra Deck is over the limit of 15; Copy limits met for Limited and Semi-Limited cards (Feather Duster, Maxx C, Radiant Typhoon Chant, Ash Blossom, Super Polymerization); Card text and stats from the deck export
• Inferred: Starter access, hand quality and brick rate are estimated from hypergeometric draw odds and card text; Interaction breadth is a semantic read of card text; Engine and plan descriptions come from card text and the archetype structure
• Provisional: Meta Power is null, and Tournament Reliability and matchup fit are provisional because no dated metagame sample or tournament link exists
• Data gaps: No combos supplied: combo floor, median and ceiling are text-only inference No tournament link: archetype meta-share and per-pilot record are absent No win-rate telemetry for going-first/second, matchups, brick or starter rates Meta Power is provisional without a dated metagame sample No Side Deck, so post-side performance cannot be assessed