Shelldock Isle 272 (Lorwyn)

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.) This land enters tapped. {T}: Add {U}. {U}, {T}: You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.

NM - $4.30
LP - $3.50
MP - $2.60
HP - $1.70
DMG - $1.50