Response: After Snowbourn Scout enters play, choose a location. Place 1 progress token on that location.

...he saw not a shadow, nor a blur, but the small figures of horsemen, many horsemen, and the glint of morning on the tips of their spears was like the twinkle of minute stars beyond the edge of mortal sight.
–The Two Towers

Response: After a character leaves play, Éomer gets +2 until the end of the round. (Limit once per round.)

"I am named Éomer son of Éomund, and am called the Third Marshal of Riddermark." –The Two Towers

Action: Exhaust and discard The Riddermark’s Finest to place 2 progress tokens on any location.

"And there are no horses like the ones that are bred in that great vale between the Misty Mountains and the White."
–Gandalf, The Fellowship of the Ring

Response: After a Rohan ally is discarded from play by a card effect, ready Éothain.

"We must hasten south, lord. Let us leave these wild folk to their fancies. Or let us bind them and take them to our king."
–The Two Towers

Response: After Éomer commits to the quest, spend 1 resource from his resource pool to immediately declare him as an attacker (and resolve his attack) against an enemy in the staging area.

...he was young, and he was king; the lord of a fell people.

-The Return of the King

Response: After Snowbourn Scout enters play, choose a location. Place 1 progress token on that location.

...he saw not a shadow, nor a blur, but the small figures of horsemen, many horsemen, and the glint of morning on the tips of their spears was like the twinkle of minute stars beyond the edge of mortal sight.
–The Two Towers

Action: Exhaust and discard The Riddermark’s Finest to place 2 progress tokens on any location.

"And there are no horses like the ones that are bred in that great vale between the Misty Mountains and the White."
–Gandalf, The Fellowship of the Ring

Response: After a character leaves play, Éomer gets +2 until the end of the round. (Limit once per round.)

"I am named Éomer son of Éomund, and am called the Third Marshal of Riddermark." –The Two Towers

Response: After a Rohan ally is discarded from play by a card effect, ready Éothain.

"We must hasten south, lord. Let us leave these wild folk to their fancies. Or let us bind them and take them to our king."
–The Two Towers

Response: After Éomer commits to the quest, spend 1 resource from his resource pool to immediately declare him as an attacker (and resolve his attack) against an enemy in the staging area.

...he was young, and he was king; the lord of a fell people.
–The Return of the King