K9 Deck #769904 — Yu-Gi-Oh! OCG
44 Main, 15 Extra, incl. Mementotlan Angwitch x3, Mementotlan Dark Blade x3, Mementotlan Tatsunootoshigo x3. Created Oct 20, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/20/2026
Main Deck (44)
- K9-17 Izuna x1
- K9-66a Jokul x1
- K9-66b Lantern x1
- K9-ØØ Lupis x1
- Mementoal Tecuhtlica - Combined Creation x1
- Mementotlan Akihiron x1
- Mementotlan Angwitch x3
- Mementotlan Dark Blade x3
- Mementotlan Ghattic x1
- Mementotlan Goblin x2
- Mementotlan Mace x1
- Mementotlan Shleepy x1
- Mementotlan Tatsunootoshigo x3
- Mementotlan-Horned Dragon x1
- Mulcharmy Fuwalos x2
- Ash Blossom & Joyous Spring x2
- "A Case for K9" x1
- Crossout Designator x1
- Forbidden Droplet x2
- Goblin Biker Grand Breakout x2
- Goblin Biker Grand Entrance x1
- Harpie's Feather Duster x1
- K9-LC Release Restraint x1
- K9-X Forced Release x1
- Mementomictlan x1
- Mementotlan Bone Party x2
- Mementotlan Fusion x2
- Reinforcement of the Army x1
- Infinite Impermanence x2
- Mementotlan Cranium Burst x1
Extra Deck (15)
- Guardian Chimera x1
- Mementomictlan Tecuhtlica - Creation King x2
- Mementotlan Twin Dragon x1
- Predaplant Dragostapelia x1
- Herald of Mirage Lights x1
- Relinquished Anima x1
- CXyz N.As.Ch. Knight x1
- K9-17 "Ripper" x1
- K9-ØØ "Hound" x1
- K9-X "Werewolf" x1
- N.As.H. Knight x1
- Number 104: Masquerade x1
- Number C104: Umbral Horror Masquerade x1
- Super Starslayer TY-PHON - Sky Crisis x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 51/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 57.5 |
| Going First | 58 |
| Going Second | 52 |
| Meta Power | provisional |
| Tournament Reliability | 52 |
- Primary strategy: Midrange
- Secondary strategies: Stun
- Format: ocg
Legality
Main 44 / Extra 15 / Side 0 — status: Legal.
Identity & game plan
- Win condition: Extra Deck Xyz/Fusion/Link beaters (Mementomictlan Tecuhtlica - Creation King, Mementotlan-Horned Dragon, Mementotlan Twin Dragon, K9-ØØ Hound) reached through K9 and Memento searchers and Fusion/Xyz summons; Direct-attack and board-pressure lines from Mementoal Tecuhtlica (5000 ATK) and K9 Xyz monsters, once a stable board is established
- Turn 1 (going first): Opening search (Mementotlan Angwitch, Ghattic, Akihiron, Mementotlan Fusion or K9-66a Jokul) into a Fusion or Xyz beater, keeping Ash Blossom and Infinite Impermanence for the first opposing response
- Turn 2 (going second): Hand traps (Ash Blossom x2, Infinite Impermanence x2) and Forbidden Droplet to answer the opponent's first board, then rebuild through searchers and GY recursion
- Recovery: Mementotlan Ghattic and Mementotlan Akihiron recover Memento cards from the GY; Mementotlan Bone Party and Goblin Biker Grand Entrance rebuild the hand; Mementotlan Shleepy and Mementotlan Fusion add Extra Deck access
- After siding: Not available: the deck runs no Side Deck (side_count 0), so there is no post-side plan in this list
Why it scores here
The list reliably opens a functional starter most of the time. Fifteen searcher-text cards give P(at least one searcher in a 5-card opening hand) of about 0.89, so the first search is usually available, though no full-copy starter is drawn often (a 3-copy starter is about 0.31 in hand). Interaction is the deck's strongest area: 4 hand traps, Harpie's Feather Duster, Crossout Designator, Forbidden Droplet and 24 removal-text cards give layered answers to the opponent's board, and the two Ash Blossoms give redundancy. Conversion is credible on paper, with 3000-2800 ATK Extra Deck beaters, but no recorded boards exist, so ceiling and median are text-based inference only and are scored separately rather than averaged. The score comes from consistency, interaction and resource recovery on the whole system; the archetype label 'K9' is not what earned points, since only 10 of 59 cards are exact-name K9 and 22 are Memento, and popularity earned nothing. The 0-card Side Deck and the Memento/K9 engine split pull the score down, and the lack of meta data keeps Meta Power provisional.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 62 | P(>=1 searcher in hand5) ~0.89; P(>=1 of a 3-copy starter in hand5) ~0.31; engine core split between Memento and K9 (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 58 | 19 singleton slots and 19 non-monster cards in 44; redundancy from 15 searchers, but some hands will be dead or conflicting (Inferred) |
| D3 | Combo Conversion & Ceiling | 60 | Extra Deck beaters (Creation King 3000, Horned Dragon 2850, Twin Dragon 2800) and multi-step Memento chains; no recorded boards, so text-only read (Inferred) |
| D4 | Combo Floor & Median Output | 48 | No combos_evidence; median output estimated from starter diversity and 0-card side only, with low confidence (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 62 | 4 hand traps, 2 Ash Blossom copies and 15 searchers give alternative routes after one disruption (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 65 | Recursion from GY (Ghattic, Akihiron, Bone Party, Grand Entrance) and searchers allow rebuilds across turns (Inferred from card text) |
| D7 | End-Board & Interaction Quality | 70 | 24 removal-text and 8 negation-text cards; Duster, Crossout Designator and Infinite Impermanence cover the field; layering is semantic read (Inferred) |
| D8 | Going-Second & Board-Breaking Power | 60 | Going-second split not recorded; hand traps and Forbidden Droplet answer boards, but hand6 hand-trap coverage is only about 0.46 (Inferred) |
| D9 | Offensive Pressure & Closing Power | 68 | Creation King 3000 ATK, Horned Dragon 2850, Twin Dragon 2800, Lupis 2300 and K9-17 Ripper 2300 give closing power (Verified stats, Inferred conversion) |
| D10 | Main Deck Efficiency & Flexibility | 50 | 44 main cards with 30 distinct; purity 16.9% exact name; mixed sub-archetypes reduce coherence (Verified composition, Inferred efficiency) |
| D11 | Extra Deck Efficiency & Coverage | 60 | 15 of 15 Extra slots used across Fusion (5), Xyz (8) and Link (2); summon access depends on several enablers (Verified composition) |
| D12 | Side Deck Adaptability | 10 | Side deck is empty (0 cards), so no post-side adaptation is available in best-of-3 (Verified) |
| D13 | Matchup Coverage & Format Fit | 45 | No tournament link or dated meta sample; archetype usage shows K9 core about 53% present, which is context only (Provisional) |
| D14 | Pilotability & Error Tolerance | 45 | Multiple engines (Memento, K9, Fusion, Xyz) and several decision points per turn make the deck demanding to pilot (Inferred) |
How the score was computed
Strategy profile: Midrange. Structural ≈ 57.5, Going First ≈ 58, Going Second ≈ 52, Meta = provisional, Tournament Reliability ≈ 52. Modifiers: No side deck (-2); Banlist exposure (-1); Engine conflict (-2). Final formula: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers (Meta provisional; no dated metagame sample)
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
- Layered interaction: 4 hand traps, Harpie's Feather Duster, Crossout Designator and Forbidden Droplet
- Dense searcher text (15 cards) gives a high chance of a first search
- Extra Deck beaters with high ATK (2800-3000) and multiple summon routes
- Strong GY recursion from Ghattic, Akihiron, Bone Party and Grand Entrance
Weaknesses
- No Side Deck, so no post-side adaptation
- Low archetype purity (16.9% exact K9) with an engine split between Memento and K9
- Heavy copy-limit exposure: five Limited cards run at 1 copy and Jokul is one of the key Extra enablers
- Hard to pilot: several Extra Deck summon routes and multi-step Memento chains per turn
Critical choke points
- Single copies of Mementomictlan Tecuhtlica - Creation King enablers; losing the Memento monster base shuts down Fusion access
- Single copy of Harpie's Feather Duster and Crossout Designator for field-wide and card-specific answers
- Opening hand with no searcher or starter (about 0.11 chance per hand with a single-copy starter)
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | One copy of Mementotlan Mace or a single-copy Memento filler | A second copy of a K9 or Memento starter that is already in the deck, or a Side Deck of 3-8 cards | A Side Deck is the largest structural gap (D12=10) and affects best-of-3 play |
| 2 | A low-impact tech card (for example one Goblin Biker Grand Breakout) | A K9 enabler to raise exact-name purity and reduce engine split | Current mix dilutes the K9 core (only 8 of 15 usage-core cards present) |
Evidence & confidence
- Verified: Main deck 44 cards and Extra deck 15 cards, within OCG size rules; All restricted cards run within legal copy limits (Limited at 1, Semi-Limited at 2); 0 side cards; Composition: 5 Fusion, 8 Xyz, 2 Link in Extra; 16 Spells and 3 Traps in main
- Observed: Usage statistics: K9 core present 8 of 15 (53.3%)
- Inferred: Hypergeometric starter access and searcher probability; Interaction layering from card text; Consistency and brick risk; Going-second hand-trap coverage (about 0.46)
- Provisional: Meta power and matchup fit (no dated metagame sample); Tournament reliability inputs for post-side and matchup variance
- Data gaps: no combos supplied — combo floor/median/ceiling is text-only inference no tournament link — archetype meta-share and per-pilot match record absent no win-rate telemetry exists in YGOVN — going-first/second and brick/starter rates are Inferred Meta Power is Provisional unless a dated metagame sample is supplied deck title is null, so deck identity rests on the archetype label and card list
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