Is Gaea's Blessing legal in Standard, Modern, and Commander?

Gaea's Blessing is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Gaea's Blessing

Q: What type of card is Gaea's Blessing?

Gaea's Blessing is a Sorcery. Its oracle text reads: "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."