I really like the Westfold Horse-breaker. It is overcosted and that defense strength is pointless, but that ability is awesome and game-saving. Think about a pumped up Gimli, Eowyn, or Treebeard. And it synergizes with the Rohan discard mechanics.
Ally. Cost: 2. 1 0 1 1
Action: Discard Westfold Westfold Horse-Breaker to choose and ready a hero.
"Your own valour has done more, and the stout legs of the Westfold-men marching through the night." Gandalf, The Two Towers
The Hunt for Gollum #6. Spirit.