Primary Research is a uncommon Enchantment card from Secrets of Strixhaven (SOS), collector number 26. Current market price: $0.19 (foil $0.25), TCGplayer market prices via Scryfall.
When this enchantment enters, return target nonland permanent card with mana value 3 or less from your graveyard to the battlefield. At the beginning of your end step, if a card left your graveyard this turn, draw a card.