You can only use this card name’s (1) effect once per turn.
(1) During your opponent’s Main Phase (Quick Effect): You can target 1 Effect Monster on the field; discard 1 monster, and if you do, negate the target’s effect until the end of this turn.
(2) If a Fiend monster is sent from the hand to your GY: You can select 1 of these effects to apply to this card until the end of this turn.
-Cannot be destroyed by battle.
-Cannot be destroyed by an opponent’s card effect.
-Cannot be targeted by an opponent’s card effect.