If Éomer is in play, Lothíriel gains the Rohan trait.
Response: After Lothíriel commits to a quest, choose an ally in your hand. If that ally shares a Trait with her, put that ally into play exhausted and committed to the quest. At the end of the phase, if that ally is still in play, shuffle it into your deck.
While your threat is 40 or higher, Angbor the Fearless gets +2 and does not exhaust to quest.
"Four thousands I sent marching from Pelargir through Lossarnach two days ago; and Angbor the fearless rides before them."
–Aragorn, The Return of the King
Planning Action: Return each Silvan ally you control to your hand. Then, play each of those allies from your hand one at a time at no cost.
Celeborn came forth and led the host of Lórien...
–The Return of the King