Dark Angel

Flying, Swampwalk, Plainswalk, Deathtouch, Trample, Firststrike, Doublestrike, Devoid, Flash
Dark Angel may be played from the graveyard.
When Dark Angel enters the battlefield, create {x} amount of 2/2 black Demon tokens with flying and deathtouch. When Dark Angel leaves the battlefield, destroy all Demon tokens created by Dark Angel.
{5},{b},{b},{w},{w}, You may remove Dark Angel from the battlefield, and place it into your hand.