Black Númenorean
The Blood of Gondor Nightmare #2 (x1)
Gegner
(35) X 5 4 9
Mordor.  

X is the total number of hidden cards in the game.

Forced: When Black Númenorean engages you, turn all hidden cards in your play area faceup.

Forced: At the end of the round, each player must raise his threat by 1 for each hidden card in his play area.