Azax-Azog, the Demon Thane

Fear, exalted, toxic 1
Whenever Azax-Azog attacks, reveal the top card
of your library. If a creature card is revealed this
way, put a +1/+1 counter on Azax-Azog. If a
land is revealed this way, put that card into the battlefield tapped. If a noncreature, nonland card
is revealed this way, put that card into your hand.
Corrupted—As long as a player has three or more poison counters, Azax-Azog gets +3/+3 and has indestructible.