K9 Deck #761660 — Yu-Gi-Oh! Master Duel

Deck — Deck Power Evaluation

Final Contextual Deck Power: 61/100 (±6 · Confidence: Medium)

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

Legality

Main 40 / Extra 15 / Side 0 — status: Legal.

Identity & game plan

• Win condition: Xyz and Link finishers (K9-X Werewolf 3300 ATK, AA-ZEUS 3000, Number C104 Umbral Horror 3000, TY-PHON 2900) reached through K9 and Vanquish Soul board presence; Vanquish Soul hand-reveal boards (Dr. Mad Love, Hollie Sue, Caesar Valius) that Special Summon and swap monsters from hand
• Turn 1 (going first): Search a Vanquish Soul or K9 monster (Dr. Mad Love, Razen, Jiaolong, Start!, A Case for K9), Normal Summon a K9 monster without Tribute when the opponent holds 2+ cards, and build toward a K9 Xyz
• Turn 2 (going second): Hold Ash Blossom, Ghost Belle and Maxx C for the opponent's first board, then convert with Vanquish Soul revives and the Extra Deck
• Recovery: Fourteen searchers, Vanquish Soul Start! and Snow Devil recur monsters, and the 15-card Extra Deck can rebuild the board after a disrupted turn
• After siding: Not applicable: Master Duel is a single game with no sideboard, and the deck runs 0 side cards

Why it scores here

The deck opens reliably: 14 searchers give about a 90% chance of at least one search in a 5-card hand, and the archetype core group (29 copies) is almost never absent from the opening hand. Its strength is redundancy at the system level, with 6 hand traps (about a 65% chance of at least one going second) and several Extra Deck finishers at 2900 to 3300 ATK. Real weaknesses are structural: the K9 and Vanquish Soul engines are split (exact-name purity 25.5%), which lowers engine coherence, and several Limited or Semi-Limited cards are single-copy enablers. No combo boards were recorded, so the floor, median and ceiling are inferred from card text rather than observed. The score comes from consistency, interaction and closing power on the system; popularity of the K9 archetype and the individual card scores were not averaged in.

Dimension scores

How the score was computed

Strategy profile: Midrange. Structural ≈ 66, Going First ≈ 68, Going Second ≈ 66, Meta = provisional, Tournament Reliability ≈ 58. Modifiers: engine conflict (K9 vs Vanquish Soul split) (-3); banlist exposure (-2); searcher and hand-trap redundancy (2). Final formula: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers (Meta provisional; Structural = Midrange profile with D13 dropped and renormalized over 95): 0.80*66 + 0.20*58 - 3 = 61

Probability & combo summary

• Opening a starter: P(≥1) ≈ 1 · 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

• 14 searchers give about a 90% chance of a search in the opening 5
• 6 hand traps (Ash Blossom, Ghost Belle, Maxx C) protect the engine, about 65% going second
• Four Extra Deck finishers at 2900 to 3300 ATK with Werewolf multi-attack
• The Extra Deck is full, with 11 Xyz and 4 Link monsters, and the 25 distinct names give broad coverage

Weaknesses

• K9 and Vanquish Soul engines are split (exact-name purity 25.5%), so engine coherence is weaker than the card count suggests
• Off-archetype Mulcharmy (3), Greed and GMX cards dilute the engine
• No recorded boards, so combo floor, median and ceiling are unmeasured
• Several single-copy Limited enablers and no sideboard for adaptation

Critical choke points

• Stake your Soul! is one copy and is a key Vanquish Soul enabler
• K9 Normal Summons without Tribute need the opponent to hold 2+ cards
• Vanquish Soul hand-reveal effects require a matching attribute mix in hand

Recommended changes

Evidence & confidence

• Verified: Legal in Master Duel: 40 main, 15 extra, 0 side; all five restricted cards are within legal copies (Limited 1, Semi-Limited 2); Searcher, hand-trap and archetype-core probabilities match the hypergeometric values in the evidence; Extra Deck is 11 Xyz and 4 Link monsters, matching the card list
• Inferred: Consistency estimates for the K9 Normal Summon and Vanquish Soul hand-reveal conditions; Interaction quality read from card text; Closing power from listed ATK values and text
• Provisional: Meta Power and matchup fit (no dated metagame sample or tournament link)
• Data gaps: No combos supplied: floor, median and ceiling are text-only inference usage_statistics in_this_deck flags for Extra Deck cards (Werewolf, Jacks, TY-PHON, Number 104, Umbral Horror, Ripper, Rock, Little Knight, Saryuja) contradict the deck's card list, which contains all of them, so the missing_core list is unreliable and this evaluation uses the card list No tournament link: archetype meta-share and per-pilot record are absent No win-rate telemetry for going-first, going-second, matchup or brick rates Meta Power is provisional without a dated metagame sample