Spinerock Knoll (FDC-314) [Commander: Foundations]

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 R.

R, T: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.