Boiling Rock Rioter (TLA-087) [Avatar: The Last Airbender] Foil

Firebending 1 (Whenever this creature attacks, add R. This mana lasts until end of combat.)

Tap an untapped Ally you control: Exile target card from a graveyard.

Whenever this creature attacks, you may cast an Ally spell from among cards you own exiled with this creature.