Gaea's Blessing is a uncommon Sorcery card from Eternal Masters (EMA), collector number 168. Current market price: $1.20 (foil $1.29), TCGplayer market prices via Scryfall.
Target player shuffles up to three target cards from their graveyard into their library. Draw a card. When this card is put into your graveyard from your library, shuffle your graveyard into your library.