Urborg Scavengers (15) [March of the Machine: The Aftermath]

Whenever this creature enters or attacks, exile target card from a graveyard. Put a +1/+1 counter on this creature. This creature has flying as long as a card exiled with it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.