Uncle Iroh is a uncommon Legendary Creature — Human Noble Ally card from Avatar: The Last Airbender (TLA), collector number 248. Current market price: $0.17 (foil $0.32), TCGplayer market prices via Scryfall.
Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) Lesson spells you cast cost {1} less to cast.