When a monster you control is destroyed by battle and sent to the GY: Special Summon 1 Level 4 or lower "Elemental HERO" monster from your hand or Deck.
Set:
Speed Duel GX: Midterm Paradox
When a monster you control is destroyed by battle and sent to the GY: Special Summon 1 Level 4 or lower "Elemental HERO" monster from your hand or Deck.