White Night Dragon (Mosaic Rare) (BP02-EN083) [Battle Pack 2: War of the Giants]

During either player's turn, when a Spell/Trap Card that targets this card is activated: Negate the activation, and if you do, destroy it. When a face-up monster you control is targeted for an attack: You can send 1 Spell/Trap Card you control to the Graveyard; change the target to this card.