Escort from Edoras is a very powerful card, though by the looks of things, he could probably use a bit more sleep. Think of it as a two cost event that grants plus four willpower with a good chance of Theoden's cost reduction. You'd play it, right? When he's discarded, he'll fuel all sorts of Rohan discard shenanigans and is a good candidate for Gamling's ability.
Escort from Edoras
Ally. Cost: 2. 2 0 0 1
While committed to a quest, Escort from Edoras gets +2
Forced: After resolving a quest to which Escort from Edoras was committed, discard Escort from Edoras from play.
A Journey to Rhosgobel #55. Spirit.