Knowledge of the Enemy
The Fortress of Nurn #139 (x3)

Planning Action: Choose a hero you control. Add 1 resource to its resource pool for each enemy engaged with you. You can only play 1 Knowledge of the Enemy each round.

"If a man must needs walk in sight of the Black Gate, or tread the deadly flowers of Morgul Vale, then perils he will have."
–Aragorm, The Fellowship of the Ring