Fenris, Asgardian Wolf

Trample
While searching your library, you may reveal
Fenris from your library and put it into your graveyard.
Unearth {1}{g} (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.)