Sunfall (MOM-BF)

Sorcery

Exile all creatures. Incubate X, where X is the number of creatures exiled this way. (Create an Incubator token with X +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

"Let the light scour away your imperfect flesh." —Heliod