Ooze Assassin

{b/g}: Move a +1/+1 counter or -1/-1 counter from target creature you control onto Ooze Assassin. Ooze Assassin gains deathtouch until end of tun. Activate this ability only once each turn.
Unearth {1}{b/g}{b/g} ({1}{b/g}{b/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.)