Modock, Steward of the Void

Flash
When Modoc, Steward of the Void enters the
battlefield, you and all permanents you control
phase out until the beginning of your next turn.
Whenever Modoc becomes the target of a spell, it phases out until the beginning of your next turn. Whenever Modoc attacks, name a card: Target opponent sacrifices a permanent with the same
name as the named card.