Umbral Horror Deck #773204 — Yu-Gi-Oh! OCG
55 Main, 15 Extra, incl. Garbage Golem x3, Gorgonic Umbral Horror x3, K9-17 Izuna x3. Created Oct 21, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 10/21/2026
Main Deck (55)
- Droll & Lock Bird x1
- Garbage Golem x3
- Gorgonic Umbral Horror x3
- K9-17 Izuna x3
- K9-ØØ Lupis x1
- Mulcharmy Fuwalos x3
- Mulcharmy Purulia x3
- Nibiru, the Primal Being x2
- Shining Umbral Horror x3
- Thousand Umbral Horror x3
- V Umbral Horror x3
- Ash Blossom & Joyous Spring x3
- Ghost Belle & Haunted Mansion x2
- Ghost Ogre & Snow Rabbit x2
- Barian's Hope x1
- Barian's Seventh Untopia x2
- Forbidden Droplet x3
- Harpie's Feather Duster x1
- Lightning Storm x2
- Rank-Up-Magic Barian's Force x1
- Seventh Ascension x2
- Seventh Tachyon x3
- Barian's Seal x2
- Infinite Impermanence x3
Extra Deck (15)
- CXyz Hope Chaos Barian Dragon x1
- CXyz N.As.Ch. Knight x1
- Divine Arsenal AA-ZEUS - Sky Thunder x1
- Evilswarm Exciton Knight x1
- K9-17 "Ripper" x1
- N.As.H. Knight x1
- Number 104: Masquerade V x2
- Number 39: Utopia Rising x1
- Number 39: Utopia, Emissary of Light x1
- Number C104: Umbral Horror Masquerade Victory x2
- Number F0: Utopic Future Zexal x1
- Super Starslayer TY-PHON - Sky Crisis x1
- Vallon, the Super Psy Skyblaster x1
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Deck — Deck Power Evaluation
Final Contextual Deck Power: 35/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 57 |
| Going First | 55 |
| Going Second | 60 |
| Meta Power | provisional |
| Tournament Reliability | 45 |
- Primary strategy: Combo
- Secondary strategies: Stun, Toolbox
- Format: ocg
Legality
Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 3 violation(s).
Identity & game plan
- Win condition: Number-monster Xyz pressure (Masquerade / Number 39 / Utopia lines) converting the Umbral Horror and Barian's search engine into a large board that the Extra Deck Xyz finishes.; Hand-trap and Tech interaction (Ash Blossom, Ghost Belle, Ghost Ogre, Infinite Impermanence, Droll & Lock Bird) that stops the opponent's engine while the Xyz line develops.
- Turn 1 (going first): Open a Umbral Horror starter or a Searcher-text monster (Thousand/Shining Umbral Horror, V Umbral Horror, Mulcharmy, Gorgonic) to add the next Umbral Horror and reach an Xyz Summon from the Extra Deck.
- Turn 2 (going second): Hold a hand trap (Ash Blossom, Ghost Belle, Ghost Ogre, Nibiru, Infinite Impermanence) to disrupt the opponent's first board, then rebuild the Xyz line from the Deck.
- Recovery: Recover with Barian's Seventh Untopia and Seventh Ascension searches, and Gorgonic or V Umbral Horror from the Graveyard or hand to re-enable the Xyz engine.
- After siding: No Side Deck is registered in this export, so no post-side plan can be evaluated; the Overall score is limited by this gap.
Why it scores here
The deck's engine is a 22-copy Umbral Horror / Barian's / Masquerade core that opens at least one core card in 93% of going-first 5-card hands (Inferred), so the plan is reliably reachable, but each individual starter has only about a 25% chance of appearing in the opening hand. Interaction is the deck's strongest area: 13 hand traps and 19 removal or negation texts give it a high going-second board-breaking profile (Inferred from card text). No combo boards were recorded, so the ceiling and median scores come from text reading and are low-confidence. The deck is Illegal in OCG because three cards exceed their copy limits, so the Final score is capped and is theoretical only. Popularity and archetype usage were not counted as power, and the 13 dimension scores were not averaged from the individual card scores.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 58 | P(at least 1 core starter in 5-card hand) ≈ 0.93 for the 22-copy archetype core, but ≈ 0.25 for any single 3-copy starter (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 55 | Estimated full-brick proxy ≈ 0.07 with 13 hand traps and 19 tech or removal cards; no conflicting Normal Summon problem flagged (Inferred) |
| D3 | Combo Conversion & Ceiling | 60 | No recorded boards; ceiling is read from card text as a Number-Xyz chain with Masquerade and Gorgonic/V recursion (Inferred) |
| D4 | Combo Floor & Median Output | 45 | No recorded boards, so median output cannot be measured; scored conservatively below the ceiling (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 62 | Ash Blossom, Ghost Belle, Ghost Ogre and Infinite Impermanence give multiple hand-trap routes after a single interruption (Inferred from card text) |
| D6 | Resource Economy, Recovery & Grind | 55 | Xyz overlay and Seventh/Barian search text give moderate recovery, with no resource signature recorded (Inferred) |
| D7 | End-Board & Interaction Quality | 70 | Interaction density is high from 13 hand traps plus Harpie's Feather Duster, Lightning Storm and Droll & Lock Bird (Inferred from card text) |
| D8 | Going-Second & Board-Breaking Power | 66 | Hand-trap-heavy going-second profile with ≈ 0.82 chance of at least one hand trap in 6 cards (Inferred) |
| D9 | Offensive Pressure & Closing Power | 62 | Number Xyz bosses reach 3000 ATK (Number C104, Masquerade V) with destruction and piercing text (Verified stat, Inferred closing) |
| D10 | Main Deck Efficiency & Flexibility | 50 | 55 main cards across 24 distinct names, with 36 cards at 3 copies and 12 off-archetype copies of Mulcharmy, K9 and Seventh (Inferred composition) |
| D11 | Extra Deck Efficiency & Coverage | 58 | 15 Extra Deck slots, all Xyz, 13 distinct names; the Number/Masquerade lines overlap well but the sub-archetype split is wide (Verified composition) |
| D12 | Side Deck Adaptability | 15 | No Side Deck in this export, so post-side adaptability cannot be assessed and is scored at the floor (Provisional) |
| D13 | Matchup Coverage & Format Fit | 40 | No dated metagame or tournament link; archetype share is unavailable (Provisional) |
| D14 | Pilotability & Error Tolerance | 40 | Many branching Quick Effect and hand-trap decisions across 13 interaction cards; high pilot skill required (Inferred) |
How the score was computed
Strategy profile: Combo. Structural ≈ 57, Going First ≈ 55, Going Second ≈ 60, Meta = provisional, Tournament Reliability ≈ 45. Modifiers: banlist exposure (-12); no side deck (0). Final formula: No reliable metagame: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers = 0.80*57 + 0.20*45 - 12 ≈ 42.6, then capped at 35 because the list is Illegal (theoretical/structural-only)
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