K9 Deck #769833 — Yu-Gi-Oh! OCG
55 Main, 13 Extra, incl. Gameciel, the Sea Turtle Kaiju x3, K9-04 Noroi x3, Super Quantum Red Layer x3. Created Oct 20, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/20/2026
Main Deck (55)
- Cyber Dragon x1
- Droll & Lock Bird x1
- Gameciel, the Sea Turtle Kaiju x3
- Hieratic Dragon of Eset x1
- K9-04 Noroi x3
- K9-17 Izuna x2
- K9-66a Jokul x1
- K9-66b Lantern x1
- K9-ØØ Lupis x1
- Maxx "C" x1
- Metalflame Swordsman x1
- Power Vice Dragon x1
- Red-Eyes Black Fullmetal Dragon x1
- Super Quantum Red Layer x3
- Ash Blossom & Joyous Spring x2
- "A Case for K9" x3
- Chaotic Elements x3
- Forbidden Droplet x3
- Harpie's Feather Duster x1
- Hieratic Seal of Convocation x3
- Incoming Machine! x3
- K9-LC Release Restraint x1
- K9-X Forced Release x1
- Raigeki x3
- Infinite Impermanence x3
- Max Metalmorph x2
- Solemn Judgment x1
- Solemn Strike x3
- Solemn Warning x2
Extra Deck (13)
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 25/100 (±10 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 55 |
| Going First | 52 |
| Going Second | 56 |
| Meta Power | provisional |
| Tournament Reliability | 40 |
- Primary strategy: Midrange
- Secondary strategies: Toolbox, Stun
- Format: ocg
Legality
Main 55 / Extra 13 / Side 0 — status under the rules at evaluation time: Illegal. 2 violation(s).
Identity & game plan
- Win condition: K9 Xyz boss monsters (K9-X Werewolf, Number C104 Umbral Horror Masquerade, Super Quantal Mech Beast Magnaliger) built from K9 Xyz materials, closed by direct attacks and board-clearing spells; Negate-and-removal disruption (Raigeki, Harpie's Feather Duster, Solemn-family traps) that leaves the opponent without a board
- Turn 1 (going first): Opening starter (A Case for K9, Forbidden Droplet, K9-LC Release Restraint or K9-X Forced Release) searches or summons a K9 Level 5, then Xyz Summon via K9-17 Izuna or K9-66a Jokul into a boss; hand traps held for the opponent's first response (Droll and Lock Bird, Ash Blossom, Maxx C)
- Turn 2 (going second): Six-card hand with 7 hand traps and 3 Solemn-family / Infinite Impermanence negations is used to break the opponent's board, then rebuild through K9 searchers and Xyz Summons from the Extra Deck
- Recovery: Searchers (19 text hits) and recursion through K9 Quick-Play Spells and Xyz material detach effects rebuild the engine after a clean negation
- After siding: No Side Deck is registered, so no post-side plan exists; the list cannot adapt between games
Why it scores here
This list is Illegal: three copies of K9-04 Noroi (Forbidden in OCG) and three copies of A Case for K9 (Limited, one legal copy) are over the limit, so the score is capped and the evaluation is theoretical/structural only. Structurally the deck has a real engine: about 0.89 probability of at least one searcher in an opening five-card hand, and a K9 Xyz chain with removal and recursion, which earned the consistency and resilience dimensions. Its interaction is dense (seven hand traps, three Solemn-family negations, Raigeki and Harpie's Feather Duster), which lifts the endboard and going-second scores. The list is heavy with generic tech (20 tech cards) and only 23.5% exact-name K9 purity, which keeps the brick, efficiency and floor scores moderate, and with no Side Deck the adaptability score is low. No combos, guides or tournament data were supplied, so the ceiling and floor are text-based inference, and popularity or archetype usage did not add any points. Dimension scores were computed on the system, not averaged from card scores.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 62 | P(at least one searcher in 5-card opening hand) ≈ 0.89; P(at least one of 3 copies of A Case for K9 in 5) ≈ 0.25; K9 core largely single-copy (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 50 | 20 tech and 7 hand-trap slots compete with an archetype core of 16 exact-name K9 copies out of 55 main; 52 off-archetype copies raise dead-draw risk (Inferred) |
| D3 | Combo Conversion & Ceiling | 55 | No parseable boards; ceiling is a text-based read of Xyz boss plus negation and board-clear chains (Inferred) |
| D4 | Combo Floor & Median Output | 45 | No recorded boards; median output cannot be measured and is estimated from starter diversity and generic tech density (Inferred/Provisional) |
| D5 | Interruption Resilience & Route Redundancy | 62 | Multiple independent starters (K9 Xyz Summons from Izuna, Jokul, Lantern, Forced Release) and negations (Infinite Impermanence, Solemn family, Ash Blossom) give several routes after disruption (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 58 | Searchers and Xyz material detach/recursion regenerate the engine, but the Extra Deck spend is high (Inferred) |
| D7 | End-Board & Interaction Quality | 70 | Destruction and negation layers: Raigeki, Harpie's Feather Duster, Number C104 and Magnaliger removal text, Solemn-family and Droll and Lock Bird hand traps (Inferred semantic read) |
| D8 | Going-Second & Board-Breaking Power | 62 | Raigeki, Harpie's Feather Duster and Forbidden Droplet clear or halve a board on going second; hand traps add counter-play (Inferred) |
| D9 | Offensive Pressure & Closing Power | 58 | K9-X Werewolf (3300 ATK, multi-attack with materials), Number C104 (3000 ATK) and Magnaliger (2600 ATK) give closing power, but direct-attack density is limited (Verified stat + Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 45 | 55 main cards with 32 Level-0 spells and traps and 20 tech slots; low compactness and weak main-deck coherence (Verified composition + Inferred) |
| D11 | Extra Deck Efficiency & Coverage | 55 | 13 Extra Deck cards with 11 Xyz monsters, spread across several K9 and non-K9 Xyz lines; mostly flexible but not all slots are high impact (Inferred) |
| D12 | Side Deck Adaptability | 15 | No Side Deck is present (0 cards), so no post-side coverage can be verified (Verified absence) |
| D13 | Matchup Coverage & Format Fit | 40 | No archetype meta-share or tournament link; format fit is unmeasurable while the list is Illegal (Provisional) |
| D14 | Pilotability & Error Tolerance | 40 | Several multi-step Xyz ladders and Max Metalmorph / Metalflame Swordsman lines, each with ordering and decision points (Inferred) |
How the score was computed
Strategy profile: Midrange. Structural ≈ 55, Going First ≈ 52, Going Second ≈ 56, Meta = provisional, Tournament Reliability ≈ 40. Modifiers: banlist exposure (-10); no side deck (-2); illegal cap (-10). Final formula: Illegal list: normal Final not applied; theoretical cap. Notional 0.80*Structural(55) + 0.20*TournamentReliability(40) = 52, then modifiers -22 = 30, capped to 25 for Illegal status. Meta Power provisional/null.
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 negation and hand-trap package (7 hand traps, 3 Solemn-family, Infinite Impermanence, Droll and Lock Bird)
- Searcher density (19 text hits) gives high probability of a starter
- Multiple Xyz boss options in the Extra Deck with high ATK (Werewolf 3300, Number C104 3000)
Weaknesses
- Illegal list: Forbidden K9-04 Noroi and over-limit A Case for K9 must be removed before the deck is playable
- Low archetype purity (23.5%) with many generic tech slots
- No Side Deck
Critical choke points
- Single-copy K9 Xyz starters (K9-66a Jokul, K9-66b Lantern, K9-X Forced Release, K9-LC Release Restraint) make the engine hinge on one card each
- A Case for K9 is the main searcher and is limited to one copy in OCG
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | K9-04 Noroi (3 copies) | A K9 Level 5 monster or a legal K9 Quick-Play | Forbidden in OCG; the deck cannot be legal until this is removed |
| 2 | A Case for K9 (2 of 3 copies) | A second K9 searcher or a legal staple | Limited to one copy in OCG; two copies must be removed to comply |
| 3 | Some generic tech (e.g. Metalflame Swordsman or Power Vice Dragon) | A Side Deck of 15 cards covering the most-played matchups | A deck with 0 side cards cannot adapt in best-of-3 |
Evidence & confidence
- Verified: Legality: 55 main, 13 extra, 0 side, sizes within OCG rules; K9-04 Noroi Forbidden (3 copies run); A Case for K9 Limited (3 copies run, 1 legal); Composition: 19 searcher-text cards, 20 tech, 7 hand traps; 16 exact-name K9 copies; usage stat K9-66a Jokul and Lupis at 81% inclusion
- Inferred: D1 consistency from hypergeometric probabilities (P starter ≈ 0.89; core ≈ 0.72); D5, D7, D8 from negation and removal text read; Going-first and going-second power estimates
- Provisional: Meta Power is null; no dated metagame sample supplied; D13 matchup/format fit; no archetype meta-share
- Data gaps: no combos supplied; combo floor, median and ceiling are text-only inference no tournament link; archetype meta-share and per-pilot record absent no win-rate telemetry (going-first/second, matchup, brick/starter rates) no side deck; post-side plan cannot be evaluated Meta Power is Provisional unless a dated metagame sample is supplied
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