Unflinching Courage is a uncommon Enchantment — Aura card from Foundations (FDN), collector number 722. Current market price: — (foil $0.15), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +2/+2 and has trample and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)