Dion, Bahamut's Dominant // Bahamut, Warden of Light
Dragonfire Dive — During your turn, Dion and other Knights you control have flying.
When Dion enters, create a 2/2 white Knight creature token.
4WW, T: Exile Dion, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.