Arathian Scavenger

Augment 2: Put 3 cards from a single graveyard on the bottom of their owners' library (Whenever this permanent enters the battlefield you may put 3 cards from a single graveyard on the bottom of their owners' library up to two times, if you do, choose one for each time you paid the reciprocate cost - This permanent enters the battlefield with a +1/+1 counter on it; or gains vigilance; or flying; or lifelink; or first strike; or prowess.)