Westfold Horse-breeder
The Voice of Isengard#7 (x3)
Ally
[1] 1 0 0 1
Rohan.  

Response: After Westfold Horse-breeder enters play, search the top 10 cards of your deck for a Mount attachment and add it to your hand. Shuffle your deck.

"They love their horses next to their kin." –Boromir, The Fellowship of the Ring