K9 Deck #759382 — Yu-Gi-Oh! Master Duel
40 Main, 15 Extra, incl. K9-17 Izuna x3, Mulcharmy Fuwalos x3, Vanquish Soul Dr. Mad Love x3. Created Oct 2, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/02/2026
Main Deck (40)
- K9-04 Noroi x2
- K9-17 Izuna x3
- K9-66a Jokul x2
- K9-66b Lantern x2
- K9-ØØ Lupis x1
- Maxx "C" x1
- Mulcharmy Fuwalos x3
- R.B. VALCan Rocket x1
- Retaliating "C" x1
- Vanquish Soul Caesar Valius x1
- Vanquish Soul Dr. Mad Love x3
- Vanquish Soul Heavy Borger x3
- Vanquish Soul Hollie Sue x3
- Vanquish Soul Jiaolong x2
- Vanquish Soul Razen x2
- Ash Blossom & Joyous Spring x3
- Ghost Belle & Haunted Mansion x1
- "A Case for K9" x1
- K9-X Forced Release x1
- Reinforcement of the Army x1
- Stake your Soul! x1
- Vanquish Soul, Start! x1
- Vanquish Soul Snow Devil x1
Extra Deck (15)
- Rock of the Vanquisher x2
- S:P Little Knight x1
- Saryuja Skull Dread x1
- Arc Rebellion Xyz Dragon x1
- Divine Arsenal AA-ZEUS - Sky Thunder x1
- Gaia Dragon, the Thunder Charger x1
- K9-17 "Ripper" x2
- K9-66X "Jacks" x1
- K9-ØØ "Hound" x1
- K9-X "Ripper/M" x1
- K9-X "Werewolf" x1
- Super Starslayer TY-PHON - Sky Crisis x1
- Vallon, the Super Psy Skyblaster x1
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55± 6/ 100
Power Score
Structural
63
Reliability
52
Going First
66
Going Second
62
Deck — Deck Power Evaluation
Final Contextual Deck Power: 55/100 (±6 · Confidence: Medium)
| Overall score | Value |
|---|---|
| Structural Deck Power | 63 |
| Going First | 66 |
| Going Second | 62 |
| Meta Power | provisional |
| Tournament Reliability | 52 |
- Primary strategy: Midrange
- Secondary strategies: Combo, Stun
- Format: master-duel
Legality
Main 40 / Extra 15 / Side 0 — status: Legal.
Identity & game plan
- Win condition: Xyz pressure from K9 Xyz monsters (K9-X Werewolf, K9-X Ripper/M piercing, K9-00 Hound) backed by Vanquish Soul hand-reveal board presence; Vanquish Soul and K9 Normal Summon and Special Summon chains that build a board while Vanquish Soul effects control or destroy opposing monsters
- Turn 1 (going first): Open with Vanquish Soul or K9 starters (Dr. Mad Love, Izuna, Jokul, Noroi, Lantern) to search and Normal Summon into Xyz, using hand traps only if the opponent answers early
- Turn 2 (going second): Hold Ash Blossom, Ghost Belle and Maxx C for the opponent's first activation, then rebuild through Vanquish Soul hand-reveal summons and K9 Xyz
- Recovery: Rebuild from the deck with searchers (15 copies) and Vanquish Soul Start / A Case for K9, then re-enter Xyz with K9-X Forced Release
- After siding: No side deck is registered, so there is no post-side plan; the deck relies on the main deck's hand traps and flexible Extra Deck
Why it scores here
The deck opens reliably: the 29 archetype-core copies give a P(at least one in a 5-card opening hand) of about 0.999, and 15 searchers push access to the Extra Deck engine higher still. Its real conversion comes from Vanquish Soul hand-reveal summons feeding K9 Xyz monsters, which gives it a strong ceiling in the Extra Deck and attackers at 3000-plus ATK. Interruption resilience is fair: five hand traps plus Ghost Belle and Maxx C cover the common answers, though the two engines and a 15-card Extra Deck with 12 singles dilute consistency. The deck has no side deck and no recorded boards, so the score does not reward a post-side plan or any measured combo output, and it is not averaged from card scores. Popularity and archetype usage confirm the list is real, not that it is strong, and Meta Power stays provisional.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 74 | P(at least one archetype core card in a 5-card opening hand) = 0.999; searcher text 15 copies, P(at least one) = 0.92; the two-engine split (K9 and Vanquish Soul) costs some starter quality (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 62 | 37 off-archetype copies and 12 single-copy cards raise the brick rate; hand-reveal Vanquish Soul summons recover some dead draws (Inferred) |
| D3 | Combo Conversion & Ceiling | 66 | No parseable recorded boards (combos_evidence.total_combos = 0); ceiling is a text-only read of K9 Xyz plus Vanquish Soul control effects, with K9-X Ripper/M and Werewolf as the ceiling (Inferred) |
| D4 | Combo Floor & Median Output | 55 | No combo boards, so median output cannot be measured; a typical hand reaches a Vanquish Soul board and one Xyz, which is an estimate (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 70 | Five hand traps (Ash x3, Ghost Belle, Maxx C) and two independent engine routes give several continuation paths after one interruption (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 64 | Searchers (15 text-search copies) and recursion from Vanquish Soul Start and A Case for K9 rebuild the hand; Xyz detach costs are real (Inferred) |
| D7 | End-Board & Interaction Quality | 70 | Removal text on 8 cards and negation text on 4 cards, including K9-66X Jacks and Lupis; layering is good but the hand-trap set is thin for a 40-card deck (Inferred) |
| D8 | Going-Second & Board-Breaking Power | 66 | Going-second hand-trap probability P(at least one of 5) = 0.58; Ash, Ghost Belle, Jacks and Forced Release provide board-breaking, though not with fully measured data (Inferred) |
| D9 | Offensive Pressure & Closing Power | 72 | Extra Deck attackers: K9-X Werewolf 3300 ATK, K9-X Ripper/M 3100 ATK with piercing, Arc Rebellion 3000 ATK and Caesar Valius 3000 ATK (Verified stat, Inferred closing) |
| D10 | Main Deck Efficiency & Flexibility | 58 | 40 main-deck slots with 23 distinct cards and two engines; 3-copy staples are efficient, but the 37 off-archetype copies lower coherence (Verified composition, Inferred scoring) |
| D11 | Extra Deck Efficiency & Coverage | 70 | 15 Extra Deck cards: 11 Xyz and 4 Link, with 2 copies each of Ripper and Rock of the Vanquisher; flexible coverage across Xyz and Link access (Verified composition) |
| D12 | Side Deck Adaptability | 15 | No side deck is registered (side_count 0), so post-side adaptability is absent; scored low and kept as an Inferred gap (Verified absence) |
| D13 | Matchup Coverage & Format Fit | 50 | No tournament link and no dated meta sample; archetype meta-share is unavailable, so this stays at a neutral value (Provisional) |
| D14 | Pilotability & Error Tolerance | 45 | Two engines with hand-reveal conditions, Xyz detach timing and multiple Quick Effects create many decision points for the pilot (Inferred) |
How the score was computed
Strategy profile: Midrange primary with a Combo secondary; Midrange weights used for Structural. Structural ≈ 63, Going First ≈ 66, Going Second ≈ 62, Meta = provisional, Tournament Reliability ≈ 52. Modifiers: Engine conflict (-3); No side deck (-2); Banlist exposure (-1). Final formula: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers (Meta provisional, no dated sample)
Probability & combo summary
- Opening a starter: P(≥1) ≈ 1 · key two-card combo ≈ — · full-brick estimate ≈ 0 (all Inferred)
- Combo output: best PowerIndex —, median —, board-per-starter —
- Turn order: 0 going-first lines vs 0 going-second lines
Strengths
- Near-certain archetype-core access in the opening hand (0.999)
- Strong Extra Deck closers at 3000-plus ATK with piercing options
- Five hand traps and two Quick-Effect negations give interaction on both turns
- Flexible Extra Deck with Xyz and Link coverage in 15 slots
Weaknesses
- Two engines compete for main-deck slots (exact-name purity 32.7%)
- No side deck, so no post-side adaptation
- Many single-copy cards raise the brick rate and the decision load
- No recorded boards, so combo output is unmeasured
Critical choke points
- K9-17 Izuna and Vanquish Soul hand-reveal summons are needed early for both engines to go live
- Going second, the opponent's first activation must be answered by a hand trap, and the hand-trap set is only 5 cards
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | One Reinforcement of the Army or Stake your Soul! | A third hand trap or a second copy of K9-17 Izuna | Raises going-second interaction and starter density without adding a new engine |
| 2 | A single-copy off-archetype staple | A side deck of 15 with extra hand traps and floodgates | Gives post-side adaptability, which the current list lacks entirely |
Evidence & confidence
- Verified: Legal under BanMasterDuel; all restricted copies within legal limits; Main 40 and Extra 15 meet master-duel size rules; Card text and stats for all 40 main and 15 extra cards; Usage statistics: 100% inclusion for K9-17 Izuna and Ash Blossom in the archetype core
- Observed: Archetype core present: 16 of 25 standard core cards, 64%
- Inferred: Opening-hand starter probability (hypergeometric, consistency); Hand-trap and interaction coverage from card text; Ceiling and interruption resilience from text-only read, with no boards
- Provisional: Meta Power and D13 matchup fit (no dated metagame sample)
- Data gaps: no combos supplied: combo floor, median and ceiling are text-only inference no side deck: post-side adaptability cannot be measured no tournament link: archetype meta-share and per-pilot record are absent no win-rate telemetry: going-first, going-second, matchup and brick rates are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied
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