Sokka, Tenacious Tactician is a rare Legendary Creature — Human Warrior Ally card from Avatar: The Last Airbender Promos (PTLA), collector number 242s. Current market price: — (foil $8.11), TCGplayer market prices via Scryfall.
Menace, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Other Allies you control have menace and prowess. Whenever you cast a noncreature spell, create a 1/1 white Ally creature token.