Number 65: Djinn Buster – (Battles of Legend: Monstrous Revenge) – (BLMR-EN079) – (Ultra Rare)

2 Level 2 DARK monsters
During either player’s turn, when an effect of an opponent’s monster is activated: You can detach 2 Xyz Materials from this card; negate the activation, and if you do, inflict 500 damage to your opponent.