Elfhelm
The Return of the King #6 (x3)
Ally
[4] 1 2 2 3

Action: Spend 1 resource from a Rohan hero's resource pool to put Elfhelm into play from your hand under your control. At the end of the phase, discard Elfhelm if

"...my lord sends word that we must set ourselves in readiness; orders may come for a sudden move."

-The Return of the King