Chthonian Blast

Type: Normal Trap
Monster Type:
Attribute: Trap
Level:
Attack:
Defense:
Rarity: Common

Description: You can only activate this card when a face-up monster on your side of the field is destroyed and sent to the Graveyard. Destroy 1 face-up monster with the lowest ATK on the field, and both players take damage equal to half of its ATK.