Impenetrable Fog
The Morgul Vale#157 (x2/x0)
Treachery

When Revealed: The first player either places 3 progress tokens on To the Tower or reveals X additional cards from the encounter deck and adds them to the staging area. X is the number of players in the game.

The air above was heavy with fog, and a reek lay on the land about them.
–The Two Towers

Illus. Oleg Saakyan Errata
Categories
When Revealed Targets First Player Scales To Number of Players Reveal Additional Cards
Notes

Should read:

When Revealed: The first player either places 3 progress tokens on To the Tower, or...