Frostbreath Tyrant

Whenever Frostbreath Tyrant attacks, tap target creature an opponent controls.
Unearth {2}{g}{u} ({2}{g}{u} : 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.)
"This is what passes as handicraft to Ithraxia? Putrid is more the word for it."
-Jorundly, Lightsmith.