Hero Signal | SGX3-ENA18

Set: Speed Duel GX: Duelists of Shadows
Number: SGX3-ENA18
Rarity: Common
Attribute: TRAP
Card Type: Normal Trap
Description: 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.