Kazek, Cunning Old Claw

Trample
Bloodlust —This creatures power is equal to the difference between your total life and 20.
Curse of Permamence —{p/u}{p/u}, until the end of this
turn, a creature that takes damage dealt by Kazek, Cunning Old Claw is tapped. It doesn't untap
during it's owners untap phase.
It can't be sacrificed and loses its creature type.