Avatar Roku

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.

(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.