Krog, The unstoppable

Trample
Bloodthirst3(If an opponent was dealt damage
this turn, this creature enters the battlefield
with three+1/+1 counters on it.)
Unearth{3}{r} ( Return this card from your
graveyard to the battlefield. It gains haste.
Exile it at the beginning of the next end step
or if it would leave the battlefield. Unearth
only as a sorcery.)