Shinigami Eyes

If Shinigami Eyes would leave the battlefield,
exile it and return it to the battlefield at the
beginning of the next end step instead.
Pay 1 Life: Scry 1.
Pay 2 Life: Target player mills two cards.
Pay 3 Life: Draw a card, and discard a card.
Pay 4 Life: Destroy target tapped creature.
Pay 5 Life: Destroy target non-black creature.
Pay 6 Life: Destroy target creature. It can't be
regenerated.