Dragonfire Dive - During your turn, Dion and other Knights you control have flying.
When Dion enters, create a 2/2 white Knight creature token.



,

: Exile Dion, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.
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(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
5/5