Estwald Shieldbasher is a common Creature — Human Soldier card from Innistrad: Crimson Vow (VOW), collector number 11. Current market price: $0.15 (foil $0.22), TCGplayer market prices via Scryfall.
Whenever this creature attacks, you may pay {1}. If you do, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)