If Éomer 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.

Response: After Mablung enters play, choose an enemy to get +5 engagement cost until the end of the round. Then, you may engage that enemy, or return it to the staging area.

"But still we will not sit idle and let Him do all as He would." –The Two Towers

While there is a hero in your discard pile, Prince Imrahil loses the ally card type and gains the hero card type.

"We must gather all of the strength that we can find.
–The Return of the King

Action: Raise your threat by 1 to ready Boromir.

Action: Discard Boromir to deal 2 damage to each enemy engaged with a single player.