Fire Nation Cadets [Avatar: The Last Airbender]

Cost: R This creature has firebending 2 as long as there's a Lesson card in your graveyard. (Whenever this creature attacks, add R R. This mana lasts until end of combat.)
2 : This creature gets 1/ 0 until end of turn. Fire Nation training ensures that even the smallest flame burns into a raging inferno.