Sunfall{3}{W}{W}
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 "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)
Artist: Kasia 'Kafis' Zielińska