Fortress of Angmar

When Fortress of Angmar enters the battlefield, you may search your library, for a Mountain card, put that card onto the battlefield attached to Fortress of Angmar. If you search your library this way, shuffle.
Whenever fortified land becomes tapped,you may pay {1}{r}.If you do,create a 2/1 black Orc Warrior creature token with menace.
Fortify {3}