Gaea's Blessing is a uncommon Sorcery card from Duel Decks: Nissa vs. Ob Nixilis (DDR), collector number 10. Current market price: $0.48, 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.