Roar of the Earthbound

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

Description: Once per turn, when your opponent's monster declares an attack, if the ATK of the attacking monster is lower than that of a face-up "Earthbound Immortal" monster you control, destroy the attacking monster and inflict damage to your opponent equal to half the destroyed monster's ATK.