Junk Berserker
WIND 7

Junk Berserker

  • Archetype:
  • Junk

  • ATK:
  • 2700

  • DEF:
  • 1800

  • View:
  • 4336




"Junk Synchron" + 1 or more non-Tuner monsters You can banish 1 "Junk" monster from your Graveyard, then target 1 face-up monster your opponent controls; that target loses ATK equal to the banished monster's ATK. At the start of the Damage Step, if this card attacks a Defense Position monster: Destroy that monster.




 
 
AI Power Analysis
Board breaker / Going-secondConfidence: MediumEvaluated Oct 9, 2026
58± 6/ 100
Power Score
Intrinsic 55
Deck 60

Junk Berserker — Power Evaluation

Final Score: 58 ± 6 · Confidence: Medium

  • Intrinsic: 55 · Deck: 60 · Meta: provisional
  • Primary role: Board breaker / Going-second · Secondary: Boss/End-board

Why it scores here

Junk Berserker is a 2700-ATK Level 7 Synchro that is live in all 109 sampled decks at one copy each, almost always alongside Junk Synchron (94.5%), so it is very reliably reachable. Its text converts into only soft board pressure: banishing a Junk from the GY to cut one opposing monster's ATK, and destroying a Defense Position monster it attacks. It does not build a board or generate card advantage, and the high ATK earns nothing by itself. Efficient one-copy deckbuilding and wide archetype reach carry the score; there is no combo-board evidence to lift the conversion axis.

Axis scores

Axis Score Evidence
Accessibility 78 Present in 109/109 sampled decks, usually summoned off Junk Synchron (94.5% co-occurrence) plus Monster Reborn and Foolish Burial (observed); the Synchro route itself is inferred from the card type.
Combo & Conversion 42 No recorded combo boards, so conversion rests on text only: the ATK reduction and attack-destroy are narrow single-target payoffs (inferred).
Resource Economy 35 Costs a GY Junk to banish and returns no card or summon; a -1 with at most a soft ATK swing (verified from text).
Effect & Interaction 40 ATK loss on one face-up monster and destruction of a Defense Position monster when attacking; situational, not a hard negate (verified from text).
Material Utility 40 A Level 7 Synchro with no material-conversion evidence in the sample; usable as Xyz or Link material only by inference, with no observed material role (inferred).
Resilience & Flexibility 45 Its effects need the card on the field and a Junk in the GY, so a single negation ends the effect; spread across 17 archetypes gives some redundancy (inferred).
Deck-Building Efficiency 80 One copy in 106 of 109 decks, a single Extra Deck slot, no garnet or lock restriction (observed).

Calculation

Weight profile: 0.7 Board breaker / Going-second + 0.3 Boss/End-board. Intrinsic ≈ 55, Deck ≈ 60, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck

Strengths

  • Reliably reached through Junk Synchron and the Synchro line, present in 109/109 sampled decks (observed)
  • Clean single-copy Extra Deck slot with no garnet or lock restriction (observed)
  • Spread across 17 archetypes, so it is portable across homes (observed)

Weaknesses

  • Effects are narrow single-target ATK reduction and attack-destroy, with no board or card-advantage payoff (verified)
  • Effects require the card on the field and a Junk in the GY, so a single negation ends them (inferred)
  • No combo-board evidence to show how it converts in practice (verified gap)

Counters / choke points

  • Any effect negation or effect-blanking before resolution (inferred from the text)

Best use

Single-copy Synchro attacker and board-clearing finisher that reduces an opposing monster's ATK and destroys Defense Position attacks. Decks: Junk Synchron / Junk builds, Synchron Synchro builds. Suggested copies: 1.

Evidence & gaps

  • Verified: Text: ATK reduction by banishing a Junk from the GY, and destruction of a Defense Position monster when attacking; Level 7 Synchro, 2700 ATK, 1800 DEF; Present in 109/109 sampled decks; 106 run one copy
  • Observed: Junk Synchron co-occurs in 94.5% of decks; Spread across 17 distinct archetypes and 4 gameplay types
  • Inferred: Summoned through Synchro summoning off Junk Synchron; Material utility is limited to Xyz/Link use and was not observed; Negation of its effects shuts it down
  • Data gaps: no combos supplied, so combo conversion is text-only inference no banlist token, assumed 3 copies (unlimited) no usage statistics (StatisticsCard), so archetype inclusion % is inferred from the deck sample only











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