Rengar, the Pridestalker

Haste
{g}{p/g} : Rengar gain +1/+1 until end of turn
{g}{p/g} : Target creature gets -1/-1 until end of turn
At the end of your turn, return Rengar to your
hand
—
"Prey on the weak and you may survive. Prey on the strong and you will truly live."