Unnatural Cold
The Gap of Rohan #95 (x2/x1)
Treachery

While attached to a quest, counts as a Condition attachment with the text: “Forced: After an ally or enemy enters play, deal 1 damage to it. If it is an ally, its controller may exhaust it to cancel this effect.”

When Revealed: Attach to the main quest if it does not have a copy of Unnatural Cold attached.