Abiding Grace is a uncommon Enchantment card from Modern Horizons 2 (MH2), collector number 1. Current market price: $0.22 (foil $0.39), TCGplayer market prices via Scryfall.
At the beginning of your end step, choose one — • You gain 1 life. • Return target creature card with mana value 1 from your graveyard to the battlefield.