Foes of Ecthelion
The City of Corsairs#163 (x2/x1)
Treachery
When Revealed: Add 2 resources to a Raider enemy in the staging area. Each Raider enemy in the staging area gets +1 for each resource on it until the end of the phase. If there are no Raider enemies in the staging area, Foes of Ecthelion gains surge.