The Legend of Roku – Avatar: The Last Airbender

(As this Saga enters and after your draw
step, add a lore counter.)
I — Exile the top three cards of your library. Until the end of your next turn, you may play those cards.
II — Add one mana of any color.
III — Exile this Saga, then return it to the battlefield transformed under your control.
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Firebending 4 (Whenever this creature attacks, add . This mana lasts until end of combat.)
: Create a 4/4 red Dragon creature token with flying and firebending 4.