Windbrisk Heights [From the Vault: Realms]

Set: From the Vault: Realms Type: Land Rarity: Mythic Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)Windbrisk Heights enters the battlefield 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.