K9 Deck #774331 — Yu-Gi-Oh! Master Duel
41 Main, 14 Extra, incl. Crystron Sulfador x3, K9-04 Noroi x3, K9-17 Izuna x3. Created Oct 27, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/27/2026
Main Deck (41)
- Crystron Smiger x1
- Crystron Sulfador x3
- Crystron Sulfefnir x2
- Droll & Lock Bird x2
- K9-04 Noroi x3
- K9-17 Izuna x3
- K9-66a Jokul x2
- K9-66b Lantern x1
- K9-ØØ Lupis x1
- Maxx "C" x1
- Mulcharmy Fuwalos x3
- Mulcharmy Purulia x2
- Scrap Recycler x1
- Ash Blossom & Joyous Spring x3
- Crystron Tristaros x1
- Ghost Ogre & Snow Rabbit x2
- "A Case for K9" x3
- Chaotic Elements x1
- Crossout Designator x1
- Crystron Inclusion x3
- K9-X Forced Release x1
- Crystron Cluster x1
Extra Deck (14)
- Clockwork Knight x1
- Platinum Gadget x1
- S:P Little Knight x1
- Crystron Eleskeletus x1
- F.A. Dawn Dragster x1
- Artifact Durendal x1
- Chronomaly Vimana x1
- Cyber Dragon Nova x1
- Divine Arsenal AA-ZEUS - Sky Thunder x1
- Infinitrack River Stormer x1
- K9-17 "Ripper" x1
- K9-66X "Jacks" x1
- K9-X "Werewolf" x1
- Vallon, the Super Psy Skyblaster x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 59/100 (Confidence: Medium)
- Primary strategy: Midrange
- Secondary strategies: Toolbox
- Format: master-duel
Legality
Main 42 / Extra 14 / Side 0 — status: Legal with warning.
Identity & game plan
- Win condition: K9-X "Werewolf" / K9-66X "Jacks" Xyz pressure built from K9 Normal Summons (Izuna, Noroi, Jokul, Lantern); Crystron Eleskeletus and Vallon as board pressure and removal-backed closers
- Turn 1 (going first): Normal Summon K9-17 Izuna or K9-04 Noroi (opponent must hold 2+ cards), search via A Case for K9 or Jokul, reach an Xyz for disruption and board
- Turn 2 (going second): Hold Ash Blossom, Ghost Ogre, Droll, and Maxx "C" to answer the opponent's first summon or search, then rebuild a K9 board through hand-trap-enabled Normal Summons
- Recovery: Graveyard recursion through Crystron Sulfefnir, K9-66b Lantern, and Scrap Recycler's GY-to-Deck shuffle plus the searcher package
- After siding: Not applicable: Master Duel has no Side Deck (0 side cards in evidence)
Why it scores here
The deck opens a live K9 engine reliably: about 83% of going-first opening hands contain at least one K9 starter or searcher (Inferred hypergeometric estimate), and the 14-copy K9 core is present in about 88% of hands. It converts that engine into Xyz pressure through K9-X Werewolf and K9-66X Jacks, backed by Crystron Eleskeletus and Vallon. Interaction is broad (8 hand traps, Crossout Designator, Forced Release, Lupis and Lantern), and the going-second hand-trap coverage is about 74%. The score comes from consistency, median output and interaction across the whole system, not from K9 being a popular archetype and not from averaging card scores. The 30% exact-name purity, the 39 off-archetype copies and the absence of any recorded boards cap the score.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 70 | P(at least one K9 starter or searcher in 5 cards) ≈ 0.83 with 12 searcher/starter copies; 14 K9 core copies at ≈0.88 in hand (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 62 | Brick risk from Crystron and Mulcharmy copies in an otherwise K9 hand; full-brick proxy ≈ 0.12 (Inferred) |
| D3 | Combo Conversion & Ceiling | 58 | No recorded boards; Xyz ceiling read from Werewolf, Jacks and Eleskeletus card text only (Inferred) |
| D4 | Combo Floor & Median Output | 50 | No combos_evidence median; floor estimated from 9 starters with off-archetype filler (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 66 | 8 hand traps, Cluster, and Sulfefnir/Lantern recursion give several independent lines (Inferred from card text) |
| D6 | Resource Economy, Recovery & Grind | 68 | Searchers (11 text copies) and GY recursion (Sulfefnir, Lantern, Ripper) offset Xyz material cost (Inferred) |
| D7 | End-Board & Interaction Quality | 72 | 17 removal-text cards plus 4 negation-text cards, including Forced Release, Jacks and Crossout Designator (Inferred semantic read) |
| D8 | Going-Second & Board-Breaking Power | 66 | Going-second hand-trap coverage ≈ 0.74 for 8 hand traps, plus Forced Release and Crossout for board breaking (Inferred) |
| D9 | Offensive Pressure & Closing Power | 70 | Werewolf (3300 ATK, multi-attack per material) and Jacks (2600 ATK) provide closing power (Verified stat, Inferred closing) |
| D10 | Main Deck Efficiency & Flexibility | 58 | 42 main over 23 distinct cards; 39 off-archetype copies dilute consistency (Verified composition, Inferred efficiency) |
| D11 | Extra Deck Efficiency & Coverage | 54 | 14 Extra cards mix K9 Xyz with Crystron, Chronomaly, Artifact, Infinitrack and Cyber Dragon options; flexible but diluted (Verified composition) |
| D12 | Side Deck Adaptability | 45 | No Side Deck in Master Duel format; neutral-low score, no post-side data (Provisional) |
| D13 | Matchup Coverage & Format Fit | 50 | No tournament link or dated meta sample; archetype meta-share absent (Provisional) |
| D14 | Pilotability & Error Tolerance | 58 | Multiple conditional Normal Summon and hand-trap decision points across three archetypes (Inferred) |
How the score was computed
Strategy profile: Midrange. Modifiers: none.
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