Mosswort Bridge (BLC-317) - Bloomburrow Commander

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.)
Mosswort Bridge enters tapped.
: Add .
, : You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.