Rohirrim Scout
Challenge of the Wainriders#61 (x3)
[2] 1 1 0 2
Rohan.   Scout.  
Action: Discard Rohirrim Scout to choose a non-unique enemy in the staging area. That enemy does not make engagement checks against you this round.

Swiftly a scout rode back and reported that wolf-riders were abroad in the valley...
-The Two Towers