Resolute Survivors is a uncommon Creature — Human Warrior card from Hour of Devastation (HOU), collector number 142. Current market price: $0.17 (foil $0.10), TCGplayer market prices via Scryfall.
You may exert this creature as it attacks. (It won't untap during your next untap step.) Whenever you exert a creature, this creature deals 1 damage to each opponent and you gain 1 life.