Clive's Hideaway is a rare Land — Town card from Final Fantasy Promos (PFIN), collector number 275s. Current market price: — (foil $6.26), TCGplayer market prices via Scryfall.
Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) {T}: Add {C}. {2}, {T}: You may play the exiled card without paying its mana cost if you control four or more legendary creatures.