Dabura, Stone Transformation Nightmare

[Dual Attack] [Blocker] [-1] [Auto] When one of your opponent's cards attacks, choose up to 1 of your opponent's Battle Cards, negate its skills for the turn, and it can't attack for the turn. [-1] [Activate:Main] Choose up to 1 of your opponent's Battle Cards, ignoring Barrier, and place it at the bottom of its owner's deck, then switch up to 1 of your mono-blue energy to Active Mode at the end of the turn.