Chthonian Blast [Dark Revelation Volume 4] [DR04-EN110]

Set: Dark Revelation Volume 4 Card type: Normal Trap Rarity: Common 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.