Valorous Stance is a uncommon Instant card from Innistrad: Crimson Vow (VOW), collector number 42. Current market price: $0.15 (foil $0.32), TCGplayer market prices via Scryfall.
Choose one — • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) • Destroy target creature with toughness 4 or greater.