Lyla, Lightsworn Sorceress [BPW2-EN022] Super Rare

You can target 1 Spell/Trap Card your opponent controls; change this card you control from face-up Attack Position to face-up Defense Position, and if you do, destroy that target, but this card's battle position cannot be changed until the end of your next turn. During each of your End Phases: Send the top 3 cards of your Deck to the Graveyard.