Armaros, Voice of Entropy

Deathtouch, wither
Whenever a permanent is put into a graveyard
from the battlefield, each opponent loses 1 life
and puts the top two cards of their libray into
their graveyard.
{w}{b}{r}, {t}, Exile three cards from a graveyard:
Armaros, Voice of Entropy deals 3 damages to
any target. These damages can't be prevented.