Diabellstar Deck #772970 — Yu-Gi-Oh! OCG

53 Main, 17 Extra, incl. Diabellstar the Black Witch x3, Mulcharmy Fuwalos x3, Mulcharmy Purulia x3. Created Oct 21, 2026 by YGO Mod.

Deck Diabellstar OCG

Created by: YGO Mod (20517634)

Created On: 10/21/2026

 
 


Official AI Deck Power Analysis
ComboConfidence: LowEvaluated Oct 21, 2026
25± 8/ 100
Power Score
Structural 47
Reliability 35
Going First 45
Going Second 40

Deck — Deck Power Evaluation

Final Contextual Deck Power: 25/100 (±8 · Confidence: Low)

Overall score Value
Structural Deck Power 47.2
Going First 45
Going Second 40
Meta Power provisional
Tournament Reliability 35
  • Primary strategy: Combo
  • Secondary strategies: Toolbox, Stun
  • Format: ocg

Legality

Main 53 / Extra 17 / Side 0 — status under the rules at evaluation time: Illegal. 3 violation(s).

Identity & game plan

  • Win condition: Diabellstar / Diabell and Azamina Fusion or Synchro boards that remove or destroy the opponent's field, closed by high-ATK Extra Deck monsters such as Azamina and Diabellze.; Dark Magician of Destruction or Master of Chaos Fusion boards, followed by Chaos Angel or Silvera pressure.
  • Turn 1 (going first): Open on hand traps and searchers (Elzette, Tales, Filia Diabell, WANTED), then reach a Synchro or Fusion board through Diabellstar the Black Witch and Mulcharmy draws.
  • Turn 2 (going second): Use Ash Blossom, Infinite Impermanence and Ghost Belle to break the opponent's first board, then continue with Diabellstar Vengeance or Azamina Fusion lines.
  • Recovery: Recover the Sinful Spoils and Diabell Spell/Trap pieces from the GY and banish zones (Deception, Curse of Diabell, WANTED), and redraw with Pot of Sloth and Mulcharmy.
  • After siding: Not evaluable: the deck has no Side Deck (0 cards), so no post-side plan exists.

Why it scores here

The deck is scored as a system, not as an average of its cards. It opens a Diabell or Diabellstar starter in about 85% of openings through the 16-card archetype core, though the exact-name archetype purity is only 4.3%, so the engine is diffuse. Its interaction is layered: 8 hand traps, several Spell/Trap negates and board-wipe effects, and mixed Quick-Play answers give it good resilience and end-board control. Conversion is unproven because no recorded boards exist, so the ceiling and median are inferred from card text alone. The deck gets no credit for popularity (the archetype core is only partly present) and has no side deck. The score is capped to 25 because two cards exceed their copy limits and the Extra Deck is over size, which makes the list illegal in OCG.

Dimension scores

# Dimension Score Evidence
D1 Engine Accessibility & Consistency 50 P(>=1 archetype core card in opening 5) ~0.85, but Diabellstar the Black Witch alone is only ~0.26 (Inferred)
D2 Opening-Hand Quality & Brick Management 45 20 singleton slots and 9 triple slots, with about 11 off-archetype spells and traps; brick risk is moderate (Inferred)
D3 Combo Conversion & Ceiling 40 No parseable recorded boards; ceiling inferred from Azamina and Diabell Fusion/Synchro text only (Inferred)
D4 Combo Floor & Median Output 35 No combo evidence; median output inferred as below the ceiling because of Diabellstar and Azamina starter dependence (Inferred)
D5 Interruption Resilience & Route Redundancy 55 8 hand traps (Ash, Infinite Impermanence, Ghost Belle) and 2 recursion routes give a second line after one disruption (Inferred)
D6 Resource Economy, Recovery & Grind 58 Mulcharmy draws, Pot of Sloth, WANTED and Deception recycle the deck; recursion is text-based only (Inferred)
D7 End-Board & Interaction Quality 62 Dominus Spark, Forbidden Droplet, Lightning Storm, Harpie's Feather Duster, Illusion Gate and Curse of Diabell give layered end-board removal (Inferred from flags and text)
D8 Going-Second & Board-Breaking Power 50 Hand traps and Diabellze the White Witch's protection help against a going-second board; no going-second split exists (Inferred)
D9 Offensive Pressure & Closing Power 62 Azamina 4000 ATK, Saint Azamina, Diabellze and Master of Chaos give a high closing ceiling (Verified stats, Inferred conversion)
D10 Main Deck Efficiency & Flexibility 35 53 main cards with only 32 distinct and 67 off-archetype copies, so the list is not compact (Verified composition)
D11 Extra Deck Efficiency & Coverage 40 Extra Deck is over size at 17 cards and contains 2 Snake-Eye Dragon and 3 Diabell Queen copies, which weakens flexibility (Verified)
D12 Side Deck Adaptability 5 No side deck is run, so no post-side adaptation exists (Verified)
D13 Matchup Coverage & Format Fit 40 No dated metagame data and no tournament link, so this is provisional (Provisional)
D14 Pilotability & Error Tolerance 40 Multi-step Fusion and Synchro sequences with many decision points and Azamina/Diabell conditions (Inferred)

How the score was computed

Strategy profile: Combo. Structural ≈ 47.2, Going First ≈ 45, Going Second ≈ 40, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: banlist exposure (-12). Final formula: No reliable metagame: 0.80*47.2 + 0.20*35 = 44.8; banlist/copy-limit modifier -12 gives 32.8; Illegal cap applied, final 25 (structural-only)

Probability & combo summary

  • Opening a starter: P(≥1) ≈ 0.85 · 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

  • Layered hand traps and Spell/Trap removal give strong interaction density
  • Archetype core (16 cards) is present at ~85% opening access
  • High closing ceiling from Azamina, Diabellze and Master of Chaos

Weaknesses

  • Illegal in OCG: 2 cards over copy limit and Extra Deck over size
  • Low archetype purity (4.3%) makes the engine diffuse
  • No side deck
  • No recorded combos or win data to confirm conversion

Critical choke points

  • Diabellstar the Black Witch and Mulcharmy draw odds are low per copy (~0.26 each in hand 5)
  • Extra Deck must be trimmed to 15 before the list can be played
Priority Remove Add Reason
1 1x WANTED: Seeker of Sinful Spoils (3 to 1) 1x Sinful Spoils or Diabell support card (legal copy) Limited card over its legal copy count
2 1x Ash Blossom & Joyous Spring (3 to 2) 1x a non-over-limit hand trap or Spell/Trap negate Semi-Limited card over its legal copy count
3 2 Extra Deck cards (17 to 15), such as a surplus Diabell Queen or Snake-Eye copy none Extra Deck over the OCG 15-card maximum

Evidence & confidence

  • Verified: Illegal status: Ash Blossom 3/2 and WANTED 3/1 over copy limit; Extra Deck 17 over 15; 53 Main / 17 Extra / 0 Side composition; Off-archetype copy count (67) and exact-name purity (4.3%)
  • Inferred: Starter access ~0.85 from the archetype core (hypergeometric); Ceiling and median output inferred from card text only; Interaction density and resilience from hand-trap and removal flags
  • Provisional: Meta Power is null: no dated metagame sample; D13 matchup fit has no meta data
  • Data gaps: no combos supplied, so combo floor/median/ceiling is text-only inference no tournament link, so archetype meta-share and pilot record are absent no win-rate telemetry for going-first/second, matchup, or brick rates no side deck, so post-side performance cannot be evaluated Meta Power is Provisional unless a dated metagame sample is supplied

More OCG Info

Diabellstar

Diabellstar Breakdown

 
 

 

 

 

 

 

 
 

 

 
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