Hills of Evendim
The Siege of Annúminas#22 (x2)
Location
4 (4)
Arnor.  
While Hills of Evendim is in the staging area, 'when revealed' effects cannot be canceled.

Travel: Shuffle the encounter discard pile into the encounter deck and discard cards from the top until an enemy is discarded. Add the discarded enemy to the staging area to travel here.