Scither, Ossa Draco

When Scither, Ossa Draco enters the battlefield, take a 1/1 counter from target creature and put it on Scither.
If Scither would be exiled, sacrifice a land: Scither goes to your graveyard instead.
Unearth {2}{b} ({2}{b}: 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.)