Seraphina, Flame of the Dawn

Flying, lifelink, haste [Otharri, Suns' Glory]

Whenever Otharri, Suns' Glory attacks, you get an experience counter. Then create a 2/2 red Rebel creature token that's tapped and attacking for each experience counter you have.

{2}{r}{w}, Tap an untapped Rebel you control: Return Otharri from your graveyard to the battlefield tapped.