Zuko, Seeking Honor is a uncommon Legendary Creature — Human Noble card from Avatar: The Last Airbender Eternal (TLE), collector number 150. Current market price: $0.13 (foil $1.37), TCGplayer market prices via Scryfall.
Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) Whenever you cast a noncreature spell, Zuko gains first strike until end of turn. Whenever Zuko deals combat damage to a player, put a +1/+1 counter on him.