The Mystical Archive is a mythic Land card from Alchemy: Secrets of Strixhaven (YSOS), collector number 30.
As this land enters, draft a card from The Mystical Archive's spellbook and exile it face down. {T}: Add {C}. {1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast spells that aren't from your starting deck. {2}, {T}: Put a card exiled with this land into its owner's hand.