DeepSky, Hoard Master

Flying, lifelink, extort {w/b}.
Whenever a creature leaves the battlefield, you
may pay {w/b}{w/b}. If you do, create X colorless
Treasure Artifact tokens with {t}: Add one mana
of any color to your mana pool. X equals the
toughness of the creature that left the battlefield.
"You think your going to walk out of here with a sack
full of gold? Think again."