Griselbrand, Demon of Pain

When Griselbrand, Demon of Pain enters the
battlefield, you may sacrifice a creature or pay 5
life. If you dont, sacrifice Griselbrand, Demon
of Pain at the beginning of the next end step.
Flying, lifelink
Pay 5 life: Draw 3 cards. Activate this ability only
once per turn.
Sacrifice a nontoken creature: Gain 5 life.