Umbral Horror Deck #729520 — Yu-Gi-Oh! OCG
55 Main, 15 Extra, incl. K9-17 Izuna x3, Mulcharmy Fuwalos x3, Mulcharmy Purulia x3. Created Jul 6, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 07/06/2026
Main Deck (55)
- Dimension Shifter x1
- Droll & Lock Bird x2
- K9-17 Izuna x3
- K9-66a Jokul x1
- K9-66b Lantern x2
- K9-ØØ Lupis x1
- Mulcharmy Fuwalos x3
- Mulcharmy Purulia x3
- Nibiru, the Primal Being x3
- Vanquish Soul Caesar Valius x1
- Vanquish Soul Dr. Mad Love x3
- Vanquish Soul Heavy Borger x1
- Vanquish Soul Hollie Sue x1
- Vanquish Soul Jiaolong x2
- Vanquish Soul Razen x3
- Ash Blossom & Joyous Spring x3
- Ghost Belle & Haunted Mansion x3
- "A Case for K9" x1
- Called by the Grave x1
- Chaotic Elements x3
- Dimensional Fissure x3
- K9-X Forced Release x1
- Pot of Prosperity x1
- Reinforcement of the Army x1
- Stake your Soul! x3
- Vanquish Soul, Start! x1
- Solemn Judgment x1
- There Can Be Only One x1
- Unbreakable Xyz Barrier x1
- Vanquish Soul Snow Devil x1
Extra Deck (15)
- Rock of the Vanquisher x2
- S:P Little Knight x1
- Saryuja Skull Dread x1
- CXyz N.As.Ch. Knight x1
- Divine Arsenal AA-ZEUS - Sky Thunder x1
- Imperial Princess Quinquery x1
- K9-17 "Ripper" x2
- 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
- Vallon, the Super Psy Skyblaster x1
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Umbral Horror (Vanquish Soul/K9 mix) — Deck Power Evaluation
Final Contextual Deck Power: 44/100 (±6 · Confidence: Medium)
| Overall score | Value |
|---|---|
| Structural Deck Power | 50 |
| Going First | 55 |
| Going Second | 45 |
| Meta Power | provisional |
| Tournament Reliability | 45 |
- Primary strategy: Control
- Secondary strategies: Midrange
- Format: ocg
Legality
Main 55 / Extra 15 / Side 0 — status: Legal.
Identity & game plan
- Win condition: Floodgate lock plus incremental hand-trap advantage; Xyz beatdown with rank-5 bosses
- Turn 1 (going first): Set Dimensional Fissure / There Can Be Only One, establish hand traps and a small negate board
- Turn 2 (going second): Break with S:P Little Knight / K9-X Forced Release and hand traps
- Recovery: Mulcharmy draws, Pot of Prosperity, K9/Lupis recursion
- After siding: No side deck (0 cards) – cannot adapt in best-of-3
Why it scores here
This deck is evaluated as a connected system, not as an average of its individual cards, and its popularity or archetype meta-share earned no points. The 55-card main deck dilutes the Vanquish Soul and K9 engines, yielding moderate opening consistency but high brick risk from floodgates and dead extra-deck bosses. Without parsed combos, the median output is inferred as a passive floodgate-plus-hand-trap board rather than a proactive combo, and the lack of a side deck removes best-of-3 adaptability. The score reflects a bloated control/midrange pile with interaction but poor conversion and efficiency.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 65 | Hypergeometric P(≥1 of 24 core copies in 5) ≈ 0.95 but 55-card size dilutes individual starters (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 50 | 55-card list with 3 Dimensional Fissure and singleton garnet extra cards raises brick risk (Inferred) |
| D3 | Combo Conversion & Ceiling | 45 | No parsed combos; text suggests rank-5 Xyz ceiling but Zeus/TY-PHON unreachable (Inferred) |
| D4 | Combo Floor & Median Output | 40 | Median output likely a floodgate plus hand traps, low proactive board (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 55 | Multiple hand traps and floodgates provide some resilience but engine single-choke (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 60 | Dimensional Fissure + Mulcharmy draw + Pot of Prosperity support grind (Inferred) |
| D7 | End-Board & Interaction Quality | 60 | Floodgates + Solemn Judgment + Xyz negates yield moderate interaction (Inferred) |
| D8 | Going-Second & Board-Breaking Power | 45 | S:P Little Knight and K9 Forced Release aid breaking but 55-card hand quality low (Inferred) |
| D9 | Offensive Pressure & Closing Power | 40 | Bosses like K9 Werewolf exist but rarely summoned; low closing power (Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 40 | Main deck 55 cards with many singles reduces efficiency (Inferred) |
| D11 | Extra Deck Efficiency & Coverage | 50 | Extra deck has dead 12-rank monsters; useful Ripper/Number 104 present (Verified/Inferred) |
| D12 | Side Deck Adaptability | 10 | Side deck empty (0 cards) – no post-side adaptation (Verified) |
| D13 | Matchup Coverage & Format Fit | 50 | No dated metagame sample; format fit provisional (Provisional) |
| D14 | Pilotability & Error Tolerance | 45 | Mixed engines and floodgate timing create pilot error risk (Inferred) |
How the score was computed
Strategy profile: Control. Structural ≈ 50, Going First ≈ 55, Going Second ≈ 45, Meta = provisional, Tournament Reliability ≈ 45. Modifiers: engine conflicts (-3); hard-garnet burden (-2). Final formula: 0.80*Structural + 0.20*TournamentReliability (Meta provisional) + ContextModifiers
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.95 · key two-card combo ≈ — · full-brick estimate ≈ 0.05 (all Inferred)
- Combo output: best PowerIndex —, median —, board-per-starter —
- Turn order: 0 going-first lines vs 0 going-second lines
Strengths
- High density of hand traps and floodgates for interaction
- Multiple negation sources via Solemn Judgment and Xyz effects
Weaknesses
- 55-card bloat reduces consistency and opening-hand quality
- Many dead extra-deck cards (Zeus/TY-PHON) and conflicting floodgates
- No side deck to adapt post-side
Critical choke points
- Reliance on Level 5 monsters for K9/Xyz without sufficient tutors
- There Can Be Only One limits own board types
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | Divine Arsenal AA-ZEUS - Sky Thunder | Additional Vanquish Soul extender | Extra deck slot wasted on unsummonable boss in this build |
Evidence & confidence
- Verified: Legality status Legal; Card text excerpts; Banlist Limited statuses for restricted cards; Side count 0
- Inferred: Hypergeometric consistency estimates; Brick risk from 55-card size; Median board from card text; Extra deck dead weight
- Provisional: Matchup coverage without dated metagame
- 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 — those signals are Inferred or Unknown Meta Power is Provisional unless a dated metagame sample is supplied usage statistics core cards list mismatches actual deck contents (possible export error)
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