Corrupted Flora
The Fate of Númenor Nightmare #11 (x3)
Treachery
Hazard.  

When Revealed: Each player discards the bottom card of his deck. Each player player chooses and removes his characters from the until only X or fewer of his characters are questing, where X is the printed cost of the card that player discarded. Deal 1 damage to each character still committed to the quest.