Windbrisk Heights - Phyrexia: All Will Be One Commander - 174

Land

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 {W}.
{W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

Rare · Phyrexia: All Will Be One Commander · #174 (ONC)

Illustrated by Omar Rayyan