Norito the Moral Leader (German) - "Norito der moralische Führer" (AC14-DE006) - Advent Calendar 2014 (Adventskalender ZEXAL-Edition) Limited

2 Level 6 Spellcaster-Type monsters
Once per turn, during either player's turn, when your opponent activates a Spell/Trap Card: You can detach 1 Xyz Material from this card; negate the activation, and if you do, destroy it.