Alien Deck #758481 — Yu-Gi-Oh! OCG
54 Main, 18 Extra, incl. Mitsurugi no Mikoto, Aramasa x3, Mulcharmy Fuwalos x3, Nauya, the Ogdoadic Remnant x3. Created Sep 29, 2026 by YGO Mod.
Created by: YGO Mod (20517634)
Created On: 09/29/2026
Main Deck (54)
- Archnemeses Protos x1
- Keurse, the Ogdoadic Light x1
- Maxx "C" x1
- Mitsurugi no Mikoto, Aramasa x3
- Mitsurugi no Mikoto, Kusanagi x1
- Mitsurugi no Mikoto, Saji x1
- Mulcharmy Fuwalos x3
- Nauya, the Ogdoadic Remnant x3
- Nemeses Corridor x1
- Nemeses Flag x1
- Nephilabyss, the Ogdoadic Overlord x1
- Night Sword Serpent x1
- Nunu, the Ogdoadic Remnant x3
- Poisonous Viper x1
- The Great Gallant Bandit x3
- Zohah, the Ogdoadic Boundless x1
- Ame no Habakiri no Mitsurugi x3
- Ame no Murakumo no Mitsurugi x2
- Futsu no Mitama no Mitsurugi x1
- Ash Blossom & Joyous Spring x2
- Ghost Belle & Haunted Mansion x2
- Plaguespreader Zombie x1
- Hey, Space Trunade! x3
- Mitsurugi Prayers x1
- Mitsurugi Ritual x2
- Ogdoadic Daybreak x1
- Ogdoadic Water Lily x2
- Triple Tactics Talent x1
- Infinite Impermanence x3
- Mitsurugi Great Purification x1
- Planet Pollutant Virus x1
- Solemn Warning x2
Extra Deck (18)
- Thunder Dragon Colossus x1
- Alien Shocktrooper M-Frame x1
- Charmer Quartet in Bloom x1
- Cosmic Slicer Zer'oll x1
- Gorgon of Zilofthonia x1
- Haggard Lizardose x1
- I:P Masquerena x1
- Promethean Princess, Bestower of Flames x1
- Ragnaraika Chain Coils x1
- S:P Little Knight x1
- Spright Sprind x1
- W:P Fancy Ball x1
- Baronne de Fleur x1
- Herald of the Arc Light x1
- Cupid Pitch x1
- Infernal Flame Banshee x1
- King of the Feral Imps x2
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20± 8/ 100
Power Score
Structural
46
Reliability
30
Going First
45
Going Second
45
Deck — Deck Power Evaluation
Final Contextual Deck Power: 20/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 46 |
| Going First | 45 |
| Going Second | 45 |
| Meta Power | provisional |
| Tournament Reliability | 30 |
- Primary strategy: Midrange
- Secondary strategies: Combo, Toolbox
- Format: ocg
Legality
Main 54 / Extra 18 / Side 0 — status: Illegal. 7 violation(s).
Identity & game plan
- Win condition: Extra Deck link and synchro boards (Cosmic Slicer Zer'oll, Ragnaraika Chain Coils, Alien Shocktrooper M-Frame) built from Reptile and Mitsurugi/Ogdoadic engines; Ritual beatsticks (Ame no Murakumo no Mitsurugi, Futsu no Mitama no Mitsurugi) recovered through graveyard effects
- Turn 1 (going first): Open a Reptile or Mitsurugi starter, search the next engine piece, and build a Link board; this is theoretical because the list cannot be played legally as built
- Turn 2 (going second): Hand traps (Ash Blossom, Ghost Belle, Maxx C, Infinite Impermanence) to break the opponent's first summon, then recover through Ogdoadic and Mitsurugi graveyard effects
- Recovery: Ogdoadic Water Lily, Nauya and Nunu recur Reptiles from the graveyard once a live board is lost
- After siding: Not evaluable: the deck has 0 side cards, so no post-side plan exists
Why it scores here
The deck cannot be scored as a normal legal list: it runs six Forbidden card entries over the copy limit and an Extra Deck of 18 against an OCG maximum of 15. Its engine is a mix of Mitsurugi, Ogdoadic, Alien, Nemeses and Charmer pieces, and only about 4% of the Main Deck is the exact Alien archetype, so engine coherence is weak. The searcher density (18 cards, about 88% chance of at least one in a 5-card opening hand) and eight hand traps give it real access and interaction on paper. Zero Side Deck cards and no combo or tournament data cap the structural read, and the score is capped low because the list is illegal. Popularity and archetype share were not used to earn points, and card scores were not averaged.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 55 | Searcher text in 18 cards gives about 0.88 for at least one in a 5-card opening hand; core-group proxy 0.66 (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 40 | Many dead-on-arrival engine pieces across Mitsurugi, Ogdoadic and Nemeses; 69 off-archetype copies (Inferred) |
| D3 | Combo Conversion & Ceiling | 50 | No recorded boards; ceiling is text-only inference from Link and Ritual lines (Inferred) |
| D4 | Combo Floor & Median Output | 40 | No combo data; median output is unmeasured and assumed moderate (Inferred) |
| D5 | Interruption Resilience & Route Redundancy | 50 | Ash Blossom, Ghost Belle, Maxx C and Infinite Impermanence give multiple interruption routes (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 45 | Graveyard recursion from Ogdoadic and Mitsurugi cards helps grind, but spend cost is high (Inferred) |
| D7 | End-Board & Interaction Quality | 60 | Eight hand traps plus Solemn Warning and Mitsurugi Great Purification give layered interaction (Inferred from card text) |
| D8 | Going-Second & Board-Breaking Power | 50 | Going-second access depends on hand traps; no going-second board data (Inferred) |
| D9 | Offensive Pressure & Closing Power | 55 | High-ATK Ritual and Link beatsticks give a closing threat, but the list is illegal (Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 40 | 54 Main Deck slots, 32 distinct cards, 22 generic and 69 off-archetype copies; poor compactness (Verified) |
| D11 | Extra Deck Efficiency & Coverage | 35 | Extra Deck is 18 cards against a maximum of 15, with 17 distinct cards (Verified) |
| D12 | Side Deck Adaptability | 10 | Zero Side Deck cards; no post-side adaptability (Verified) |
| D13 | Matchup Coverage & Format Fit | 30 | No tournament or meta data; matchup fit is provisional (Provisional) |
| D14 | Pilotability & Error Tolerance | 40 | Multiple engine branches and three-plus choice points per turn (Inferred) |
How the score was computed
Strategy profile: Midrange. Structural ≈ 46, Going First ≈ 45, Going Second ≈ 45, Meta = provisional, Tournament Reliability ≈ 30. Modifiers: banlist exposure (-8); engine conflicts (-4). Final formula: Illegal list: Final capped low and labeled theoretical/structural-only. Structural 46 from the Midrange profile; Meta provisional; Tournament Reliability 30.
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.88 · 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
- Searcher density (18 cards) and 8 hand traps give access and early interaction
- Multiple link and synchro bodies provide Extra Deck boards
Weaknesses
- Illegal copy counts and Extra Deck size
- Weak archetype coherence (about 4% exact archetype)
- No Side Deck
Critical choke points
- Legal rebuild requires removing all six Forbidden copies, which removes core Mitsurugi and Ogdoadic engine cards
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | Ame no Habakiri no Mitsurugi (3), Archnemeses Protos, Triple Tactics Talent, King of the Feral Imps (2), Charmer Quartet in Bloom, Baronne de Fleur | Legal Mitsurugi or Ogdoadic replacements | Restores legality; the list cannot be scored normally until this is fixed |
| 2 | Three Extra Deck cards | Core-ready Link or Synchro bodies | Brings the Extra Deck to 15 or fewer |
| 3 | A 15-card Side Deck | Enables post-side adaptation, which is currently absent |
Evidence & confidence
- Verified: Main Deck 54 and Extra Deck 18 counts; Six Forbidden copy-limit violations; Zero Side Deck cards; Archetype purity 4.2%
- Inferred: Opening-hand access from searcher density; Hand-trap interaction density; Engine coherence risk
- Provisional: Meta and matchup fit (no dated sample)
- Data gaps: No combos supplied; combo floor, median and ceiling are text-only inference No tournament link; archetype meta-share and per-pilot record absent No win-rate telemetry; going-first and going-second splits are inferred Meta Power is provisional without a dated metagame sample
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