Junk Deck #758645 — Yu-Gi-Oh! OCG

55 Main, 15 Extra, incl. Artifact Lancea x3, Junk Meister x3, Mulcharmy Fuwalos x3. Created Sep 29, 2026 by YGO Mod.

Deck Junk OCG

Created by: YGO Mod (20517634)

Created On: 09/29/2026

 
 


Official AI Deck Power Analysis
ToolboxConfidence: LowEvaluated Oct 22, 2026
30± 8/ 100
Power Score
Structural 45
Reliability 35
Going First 45
Going Second 42

Deck — Deck Power Evaluation

Final Contextual Deck Power: 30/100 (±8 · Confidence: Low)

Overall score Value
Structural Deck Power 45
Going First 45
Going Second 42
Meta Power provisional
Tournament Reliability 35
  • Primary strategy: Toolbox
  • Secondary strategies: Tempo, Stun
  • Format: ocg

Legality

Main 55 / Extra 15 / Side 0 — status under the rules at evaluation time: Illegal. 5 violation(s).

Identity & game plan

  • Win condition: Synchro Summon a large Extra Deck monster (Shooting Majestic Star Dragon, Red Supernova Dragon, Stardust Dragon) off a Junk Synchron or Stardust Synchron tuner base; Disruption-driven board control with hand traps and Lightning Storm / Harpie's Feather Duster backrow removal, then a Synchro follow-up
  • Turn 1 (going first): Normal Summon Junk Synchron or Stardust Synchron, search via Junk Meister / Full-Speed Warrior / Synchro Fellowship, then Synchro Summon a boss; the deck would rely on hand traps to protect a T1 line
  • Turn 2 (going second): Hold Ash Blossom, Ghost Belle, Nibiru and Droll-style hand traps to interrupt the opponent's first engine, then rebuild through Mulcharmy draw and Synchro Summon
  • Recovery: Mulcharmy Fuwalos and Purulia draw when the hand is empty; Synchro Fellowship recovers from the GY; Scrap Synchron and Jet Synchron are GY-revival and search bridges
  • After siding: No side deck is registered (side_count 0), so no post-side plan exists in a best-of-3 context; any side plan is theoretical

Why it scores here

This OCG Junk list is evaluated as a connected system, not as an average of its card scores. Its strongest part is interaction: 15 hand traps plus 19 negation-text and 25 removal-text cards give it a dense disruption layer that can interrupt an opponent's first engine (Inferred from text). Its engine is less reliable: the Junk and Synchron tuner base is spread across many off-archetype copies (exact-name purity 15.7%), and the probability that a starter is live in the opening five is only about 0.18 to 0.25 per copy count, so the opening-hand floor is weak (Inferred). No recorded boards exist, so combo ceiling and median are text-only inferences, and the deck does not earn points for archetype popularity. The score is capped by legality: three Forbidden cards and two copy-limit violations make the list illegal in OCG, so it is theoretical and structural only. No side deck is registered, which gives no best-of-3 plan.

Dimension scores

# Dimension Score Evidence
D1 Engine Accessibility & Consistency 42 P(at least one Junk Synchron in a 5-card opener) ≈ 0.18; Junk Meister and Synchron search cover a 2-card bootstrap at best (Inferred)
D2 Opening-Hand Quality & Brick Management 35 33 distinct main-deck cards with 59 off-archetype copies, 20 single-copy slots and several dead-without-engine tech cards (Inferred)
D3 Combo Conversion & Ceiling 40 No parseable recorded boards (combos_evidence total 0); ceiling is a text-only read of Synchro Summons into Shooting Majestic or Red Supernova (Inferred)
D4 Combo Floor & Median Output 38 No recorded board data for median output; typical output is one Synchro boss off a fragile tuner base (Inferred)
D5 Interruption Resilience & Route Redundancy 50 Ash Blossom, Ghost Belle, Nibiru and Droll give several independent interruptions; a second independent line exists via Mulcharmy draw (Inferred)
D6 Resource Economy, Recovery & Grind 40 Mulcharmy draw and Synchro Fellowship recover cards, but the Junk/Synchron pool is GY-dependent and thin on true grind (Inferred)
D7 End-Board & Interaction Quality 65 15 hand traps, 19 negation-text and 25 removal-text cards yield layered, broad interaction (Inferred semantic read of card text)
D8 Going-Second & Board-Breaking Power 55 Going-second value rests on hand traps plus Lightning Storm and Harpie's Feather Duster; no board-breaker density data (Inferred)
D9 Offensive Pressure & Closing Power 60 Extra Deck offers Shooting Majestic Star Dragon (4000 ATK), Red Supernova Dragon (4000 ATK) and Stardust Dragon (2500 ATK) (Verified card stats)
D10 Main Deck Efficiency & Flexibility 45 Main deck is 55 cards, inside the 40-60 OCG size rule, but 15.7% exact-name purity and 2-copy limit violations reduce coherence (Verified legality, Inferred purity)
D11 Extra Deck Efficiency & Coverage 62 15 Synchro cards in the Extra Deck, all mostly usable from the tuner base; crowding of similar Synchros is possible (Verified composition)
D12 Side Deck Adaptability 10 No side deck registered (side_count 0), so no post-side plan can be scored (Provisional)
D13 Matchup Coverage & Format Fit 40 No tournament link and no dated meta sample; matchup fit is provisional (Provisional)
D14 Pilotability & Error Tolerance 45 Multi-step Synchro lines, many hand-trap timing decisions and a large card pool make pilotability moderate (Inferred)

How the score was computed

Strategy profile: Toolbox primary with Stun as a secondary read; weights reused from the Balanced/Toolbox profile. Structural ≈ 45, Going First ≈ 45, Going Second ≈ 42, Meta = provisional, Tournament Reliability ≈ 35. Modifiers: banlist exposure (-10); no side deck (-3). Final formula: No reliable metagame: 0.80*Structural(45) + 0.20*TournamentReliability(35) = 43, then context modifiers (-10 banlist exposure, -3 unregistered side deck) = 30 after the illegal-list cap, theoretical only

Probability & combo summary

  • Opening a starter: P(≥1) ≈ 0.18 · 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 layer (15 hand traps, 19 negation-text cards)
  • Strong Extra Deck boss options at 4000 ATK (Shooting Majestic, Red Supernova)
  • Mulcharmy draw engine provides some card replacement when hands are empty

Weaknesses

  • Illegal in OCG: three Forbidden cards and two copy-limit violations
  • Low exact-name archetype purity (15.7%) and 59 off-archetype copies weaken engine coherence
  • Weak opening-hand starter access (about 0.18 for a Junk Synchron in hand 5)
  • No side deck registered

Critical choke points

  • Junk Synchron and Stardust Synchron tuner base: only 4 copies of the two key tuners in a 55-card deck
  • Any single Forbidden or over-limit card removes the list from legal play until corrected
Priority Remove Add Reason
1 Called by the Grave, Triple Tactics Talent, Crystal Wing Synchro Dragon Legal replacements within the Junk or Synchro core (e.g. a 2nd Junk Synchron or Stardust Synchron, or a legal extra-deck Synchro boss) Brings the list to legal OCG status; it is currently unplayable as built
2 Ash Blossom (1 copy) and Droll & Lock Bird (1 copy) Two legal non-limited cards from the same engine family Restores the Semi-Limited and Limited copy counts
3 Off-archetype tech cards with low engine synergy Junk or Synchron-support cards Raises exact-name purity and reduces brick risk

Evidence & confidence

  • Verified: Legality status Illegal with five copy or banlist violations (Forbidden: 3 cards); Main 55, Extra 15, Side 0; size rules 40-60 / 0-15 / 0-15 satisfied; Card stats for the Extra Deck bosses (Shooting Majestic 4000 ATK, Red Supernova 4000 ATK); Archetype purity 15.7% (11 of 70 archetype-tagged copies)
  • Inferred: Opening-hand starter probabilities (about 0.18 to 0.25) from hypergeometric draws on the Main Deck; Interaction density from card-text hints (15 hand traps, 19 negation, 25 removal); Structural dimension scores and the 30 final score
  • Provisional: Matchup and format fit (no dated meta sample); Side deck adaptability (no side deck registered); Meta Power (null, 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 exists in YGOVN Meta Power is Provisional unless a dated metagame sample is supplied No side deck registered for a best-of-3 evaluation Deck title is null in the export

More OCG Info

Junk

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