Benediction of Moons is a common Sorcery card from The List (PLST), collector number GPT-3. Current market price: $0.37, TCGplayer market prices via Scryfall.
You gain 1 life for each player. Haunt (When this spell card is put into a graveyard after resolving, exile it haunting target creature.) When the creature this card haunts dies, you gain 1 life for each player.