Seasoned Hallowblade is a uncommon Creature — Human Warrior card from Core Set 2021 (M21), collector number 34. Current market price: $0.33 (foil $0.32), TCGplayer market prices via Scryfall.
Discard a card: Tap this creature. It gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)