Raven, Wailing Anyanga

Deathtouch
Ward — Pay 5 life
Raven, Wailing Anyanga's power is equal to 2 plus
20 - X, where X is your life total.
If Raven, Wailing Anyanga would deal damage to
a planeswalker, destroy that planeswalker.
Pay 2 life: Raven, Wailing Anyanga deals 1
damage to any target.