Crown of Ascension 
Enchantment — Aura
Enchant creature Enchanted creature has flying. Sacrifice this Aura: Enchanted creature and other creatures that share a creature type with it gain flying until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL