Yu-Gi-Oh!
Hero Signal [SGX1-ENA20] Common
$0.30
| Set: | Speed Duel GX: Duel Academy Box |
| Rarity: | Common |
When a monster you control is destroed by battle and sent to the GY; Special Summn 1 Level 4 or lower "Elemental HERO" monster from your hand or Deck.
