Junk Defender
EARTH 3

Junk Defender

  • Archetype:
  • Junk

  • ATK:
  • 500

  • DEF:
  • 1800

  • View:
  • 3649




When an opponent's monster declares a direct attack: You can Special Summon this card from your hand. Once per turn, during either player's turn: You can have this card gain 300 DEF until the end of this turn.




 
 
AI Power Analysis
Material bodyConfidence: MediumEvaluated Oct 9, 2026
55± 7/ 100
Power Score
Intrinsic 55
Deck 56

Junk Defender — Power Evaluation

Final Score: 55 ± 7 · Confidence: Medium

  • Intrinsic: 55 · Deck: 56 · Meta: provisional
  • Primary role: Material body · Secondary: Utility

Why it scores here

Junk Defender is a Level 3 Warrior body that can be Special Summoned from hand only when an opponent's monster declares a direct attack, and its once-per-turn +300 DEF does not change what it converts into. Its value is mainly as a generic Level 3 material and a free defensive body that appears in 25 of 25 sampled Junk and Synchron-adjacent decks, which supports a real, practical role. The high 500 ATK and 1800 DEF earn no points; the narrow hand-summon trigger, zero recorded combo appearances and lack of any negation or card advantage keep the score in the middle range.

Axis scores

Axis Score Evidence
Accessibility 35 The hand Special Summon needs an opponent's direct attack, so it is not a live opening-hand play, though it is fielded in 25 of 25 sampled decks (observed; inferred from text for the trigger).
Combo & Conversion 30 No recorded combo boards (appearances 0), so conversion is text-only: a single body with no follow-up beyond its own stats (inferred).
Resource Economy 40 Free Special Summon from hand gives a body with no cost and no return, and no GY refuel or draw (verified from text).
Effect & Interaction 15 Neither negates nor removes anything; it only blocks a direct attack and boosts its own DEF (verified from text).
Material Utility 65 A Level 3 Earth Warrior is a generic material whose body still converts when its effects are negated (inferred from text and archetype breadth).
Resilience & Flexibility 45 Hand-based summon avoids GY-only interaction and the DEF boost works in either turn, but it has 500 ATK and only one trigger window (verified from text).
Deck-Building Efficiency 75 Single-copy-friendly at 1.16 average copies per deck, no garnet or locking restriction, and it is a generic Level 3 body (observed from deck data).

Calculation

Weight profile: 0.7 Material body + 0.3 Utility. Intrinsic ≈ 55, Deck ≈ 56, Meta = provisional. Modifiers: none. Final formula: 0.40*Intrinsic + 0.60*Deck

Strengths

  • Generic Level 3 Warrior body with clean material conversion even when its effects are negated
  • Free Special Summon from hand gives a body with no cost
  • Runs across 12 distinct archetypes and is consistently included (25 of 25 sampled decks)
  • Clear, low-risk rules text with no garnet or self-lock

Weaknesses

  • Hand summon only triggers on an opponent's direct attack, so it is not a proactive opening play
  • No negation, removal or card advantage
  • No recorded combo appearances, so conversion value is unproven from real boards
  • 500 ATK and 1800 DEF add no score

Counters / choke points

  • Opponent's direct-attack avoidance: the monster is never Special Summoned if no direct attack is declared
  • Monster-effect negation before the summon, if the opponent negates the attacking monster's effect
  • Board wipes or GY-only interaction are not blocked by its hand summon

Best use

Generic Level 3 Synchro/Material fodder with a defensive hand body. Decks: Junk Synchron, Junk Speeder, Synchron-based Junk builds. Suggested copies: 1.

Evidence & gaps

  • Verified: Level 3 Earth Warrior Effect Monster, 500 ATK / 1800 DEF; Special Summon from hand on opponent's direct attack; Once per turn: +300 DEF until end of turn, either turn; Formats: TCG, OCG, MasterDuel
  • Observed: Present in 25 of 25 sampled decks, 1.16 average copies, 12 distinct archetypes; Top partners Junk Speeder and Junk Synchron each in 22 of 25 decks
  • Inferred: Generic Level 3 body converts into material even when its effect is negated; Hand summon is a conditional defensive body, not a proactive starter
  • Data gaps: no combos supplied, so combo conversion is text-only inference no guides supplied no banlist token, so unlimited (3 copies) assumed no usage statistics (StatisticsCard), so archetype inclusion is inferred from the 25-deck sample only











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