Numéro 23 : Lancelot, Chevalier Noir des Enfers BOSH-FRSE2

2 Level 8 monsters This card can attack your opponent directly as long as it has Xyz Material. When this card inflicts battle damage to your opponent, you can target 1 face-up monster your opponent controls, destroy it. Once per turn, during either player's turn, when a Spell/Trap Card or monster effect is activated, you can detach 1 Xyz Material from this card; negate the activation.