Sokka, Swordmaster is a mythic Legendary Creature — Human Warrior Ally card from Avatar: The Last Airbender Eternal (TLE), collector number 83. Current market price: $1.75 (foil $4.09), TCGplayer market prices via Scryfall.
Vigilance Equipment spells you cast cost {1} less to cast for each Ally you control. At the beginning of combat on your turn, attach up to one target Equipment you control to Sokka.