Dion, Bahamut's Dominant #16

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.

(As this Saga enters and after your draw step, add a lore counter.) [I] [II] Wings of Light — Put a +1/+1 counter on each other creature you control. Those creatures gain flying until end of turn. [III] Gigaflare — Destroy target permanent. Exile Bahamut, then return it to the battlefield (front face up). Flying