Forerunners of The Wolfpack

Ambush {r}{g} (Reveal this card from your hand
and exile it. It deals damage equal to it's power to target creature an opponent controls. At the beginning of your next end step, return it to the battlefield under your control.)
When Forerunners of The Wolfpack Enters the battlefield, if it was ambushed, return it to your
hand.
{g}{g}: Forerunners of The Wolfpack gets
+1/+1 until end of turn.