Mines of Cirith Gurat
The Dungeons of Cirith Gurat#127 (x3)
Location
2 (3)
While Mines of Cirith Gurat is in the staging area, it gains: "Forced: When a player card would reduce a player's threat by any amount, reduce that amount to 1."

Travel: Each player discards the top 3 cards of his deck and raises his threat by 1 for each ally he discards this way.