Inspiration from Beyond is a uncommon Sorcery card from Foundations (FDN), collector number 43. Current market price: $0.28 (foil $0.38), TCGplayer market prices via Scryfall.
Mill three cards, then return an instant or sorcery card from your graveyard to your hand. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)