Phantom Beast (Chimera) Deck #772785 — Yu-Gi-Oh! OCG
52 Main, 18 Extra, incl. Mementotlan Angwitch x3, Mementotlan Dark Blade x3, Mementotlan Tatsunootoshigo x3. Created Oct 21, 2026 by YGO Mod.
Deck Phantom Beast (Chimera) OCG
Created by: YGO Mod (20517634)
Created On: 10/21/2026
Main Deck (52)
- Droll & Lock Bird x1
- Mementoal Tecuhtlica - Combined Creation x1
- Mementotlan Akihiron x1
- Mementotlan Angwitch x3
- Mementotlan Dark Blade x3
- Mementotlan Ghattic x1
- Mementotlan Goblin x2
- Mementotlan Mace x1
- Mementotlan Shleepy x2
- Mementotlan Tatsunootoshigo x3
- Mementotlan-Horned Dragon x1
- Mulcharmy Fuwalos x3
- Mulcharmy Purulia x1
- Nibiru, the Primal Being x3
- Ash Blossom & Joyous Spring x3
- Goblin Biker Grand Breakout x3
- Mementomictlan x1
- Mementotlan Bone Party x3
- Mementotlan Fusion x3
- Metaltronus x3
- Raigeki x3
- Super Polymerization x3
- Infinite Impermanence x3
- Mementotlan Cranium Burst x1
Extra Deck (18)
- Garura, Wings of Resonant Life x1
- Guardian Chimera x1
- Mementomictlan Tecuhtlica - Creation King x2
- Mementotlan Twin Dragon x1
- Mudragon of the Swamp x1
- Predaplant Dragostapelia x1
- Starving Venom Fusion Dragon x1
- Accesscode Talker x1
- Dharc the Dark Charmer, Gloomy x1
- Herald of Mirage Lights x1
- I:P Masquerena x1
- S:P Little Knight x1
- Salamangreat Almiraj x1
- Selene, Queen of the Master Magicians x1
- W:P Fancy Ball x1
- Artifact Durendal x1
- Super Starslayer TY-PHON - Sky Crisis x1
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35± 8/ 100
Power Score
Structural
45
Reliability
35
Going First
42
Going Second
46
Deck — Deck Power Evaluation
Final Contextual Deck Power: 35/100 (±8 · Confidence: Low)
| Overall score | Value |
|---|---|
| Structural Deck Power | 45 |
| Going First | 42 |
| Going Second | 46 |
| Meta Power | provisional |
| Tournament Reliability | 35 |
- Primary strategy: Midrange
- Secondary strategies: Toolbox, Fusion
- Format: ocg
Legality
Main 52 / Extra 18 / Side 0 — status under the rules at evaluation time: Illegal. 4 violation(s).
Identity & game plan
- Win condition: Fusion and Link Summons of Memento monsters (Mementoal Tecuhtlica - Combined Creation, Mementomictlan Tecuhtlica - Creation King, Mementotlan Twin Dragon) for board presence and attack pressure; Recursive Memento value from GY and Deck (Mementotlan Angwitch, Mementotlan Bone Party, Mementotlan Ghattic) to rebuild boards after removal
- Turn 1 (going first): Open on Memento searchers (Angwitch, Ghattic, Akihiron) to reach a Fusion or Link starter; no Phantom Beast or Chimera engine is present to anchor the line
- Turn 2 (going second): Use hand traps (Ash Blossom, Infinite Impermanence, Droll & Lock Bird, Nibiru) to stop the opponent's first summon chain, then convert with Memento Fusion lines
- Recovery: Rebuild from the GY with Mementotlan Horned Dragon, Mementotlan Bone Party and Mementotlan Ghattic; limited by Extra Deck size and the copy-limit violations
- After siding: Not evaluable: the Side Deck is empty, so there is no post-side plan (score capped accordingly)
Why it scores here
This list is illegal in OCG: three copies each of Ash Blossom and Super Polymerization exceed the Semi-Limited limit of two, and the 18-card Extra Deck exceeds the maximum of 15, so it is scored as theoretical and structural only. Its 52-card main deck gives roughly a 75 percent chance of at least one searcher in an opening five, and the Memento searchers and Fusion spells keep the engine reachable (Inferred). Interaction is dense, with ten hand traps and about 28 removal-text cards, which gives it a fair chance of answering a first summon if it goes second (Inferred). The deck does not run any Phantom Beast or Chimera card: only 2 of 12 core archetype cards are present, and the single guide attached covers a different Branded build. No recorded boards exist, so the floor, median and ceiling are text-only estimates. The score was not raised by archetype popularity or meta share, and card scores were not averaged.
Dimension scores
| # | Dimension | Score | Evidence |
|---|---|---|---|
| D1 | Engine Accessibility & Consistency | 58 | P(at least one searcher in opening 5) ~0.75 and P(at least one copy of a 3-copy starter) ~0.27; Memento engine is reachable but thinly redundant (Inferred) |
| D2 | Opening-Hand Quality & Brick Management | 50 | Many conditional Memento monsters and 3-copy Fusion/Quick-Play spells, with 10 hand traps and 52 main-deck cards; bricking risk is moderate (Inferred) |
| D3 | Combo Conversion & Ceiling | 40 | Ceiling is a 5000 ATK Creation monster and 3000 ATK Fusions, but no recorded boards exist and the Extra Deck is oversized (text-only inference) |
| D4 | Combo Floor & Median Output | 35 | No combo boards are recorded, so the median output cannot be measured and is held low (Provisional) |
| D5 | Interruption Resilience & Route Redundancy | 45 | Several independent Memento recursion routes exist, but the core engine depends on a few Memento monsters that are easily destroyed (Inferred) |
| D6 | Resource Economy, Recovery & Grind | 50 | Recursion through GY Memento effects and Bone Party provides grind, but the Fusion cost is high (Inferred) |
| D7 | End-Board & Interaction Quality | 55 | Ten hand traps plus removal and negation text (Ash Blossom, Impermanence, Nibiru, Droll and Lock Bird) give layered interaction, though only single copies of the strongest removal (Inferred) |
| D8 | Going-Second & Board-Breaking Power | 50 | Going-second hand-trap probability is about 0.74 for at least one hand trap in six cards, with Raigeki and removal support (Inferred) |
| D9 | Offensive Pressure & Closing Power | 50 | A single 5000 ATK monster and 3000 ATK Fusions give closing power, but the lines to reach them are unverified (Inferred) |
| D10 | Main Deck Efficiency & Flexibility | 40 | 52 main-deck cards with 13 three-copy slots, but two copy-limit violations and an 18-card Extra Deck lower efficiency (Verified) |
| D11 | Extra Deck Efficiency & Coverage | 30 | Extra Deck has 17 distinct cards across Fusion, Link and Xyz with no mandatory core, and the 18-card size is illegal (Verified) |
| D12 | Side Deck Adaptability | 5 | Side Deck is empty, so there is no post-side adaptability (Verified) |
| D13 | Matchup Coverage & Format Fit | 40 | No tournament link and no dated meta sample, so matchup fit is Provisional and the archetype is largely off-theme (Provisional) |
| D14 | Pilotability & Error Tolerance | 35 | Multi-step Memento requirements and many conditional Fusion and recursion effects make this demanding to pilot (Inferred) |
How the score was computed
Strategy profile: Midrange. Structural ≈ 45, Going First ≈ 42, Going Second ≈ 46, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: banlist_exposure (-6); illegal_extra_deck_size (-2). Final formula: Illegal list: 0.80*Structural + 0.20*TournamentReliability + ContextModifiers, then capped low as theoretical/structural-only (Meta provisional)
Probability & combo summary
- Opening a starter: P(≥1) ≈ 0.27 · 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
- Dense hand-trap and negation package (10 hand traps)
- Several Memento recursion routes in the GY
- Strong top-end threats in Mementoal Tecuhtlica and Mementomictlan Tecuhtlica
Weaknesses
- Illegal in OCG: copy-limit and Extra Deck size violations
- Empty Side Deck, so no post-side plan
- Off-archetype: only 2 of 12 core Phantom Beast cards are present
- No recorded boards, so the combo ceiling and median are unmeasured
Critical choke points
- Legality must be corrected before any production score is trusted
- A single Memento monster on the field is required by many effects
Recommended changes
| Priority | Remove | Add | Reason |
|---|---|---|---|
| 1 | One copy each of Ash Blossom & Joyous Spring and Super Polymerization | Two of the removed copies replaced by an in-format tech or a second searcher | Clears both copy-limit violations so the deck can be scored normally |
| 2 | Three Extra Deck cards | Non-Extra-Deck cards or a side-deck plan | Brings the Extra Deck to 15 and gives a post-side plan |
Evidence & confidence
- Verified: Illegal status: Ash Blossom and Super Polymerization run 3 copies against a Semi-Limited limit of 2; Extra Deck of 18 exceeds the OCG maximum of 15; Side Deck is empty; Only 2 of 12 core archetype cards are present in the deck
- Inferred: At least one searcher in an opening five is about 0.75 (hypergeometric); Going-second hand-trap coverage is about 0.74; Dimension scores D1 to D14 and the structural weighting
- Provisional: Meta power and matchup fit, since no dated meta sample or tournament link exists
- Data gaps: no combos supplied; 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 results are Inferred Meta Power is Provisional unless a dated metagame sample is supplied deck title is null the only attached guide is for a different Branded build, not this Memento list
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