Zuko, Exiled Prince (#163)

Type: Legendary Creature — Human Noble

Text: Firebending 3 (Whenever this creature attacks, add {R}{R}{R}. This mana lasts until end of combat.)
{3}: Exile the top card of your library. You may play that card this turn.

"I want the Avatar. I want my honor, my throne."

Set: Avatar: The Last Airbender (#163)