I very much like Merry. Low threat and gives the ability for someone else to potentially attack again. I have recently tried him with Elrohir and Elladan brothers and it is a nice deck, especially with Rivendell Blade on Elladan. Works with Háma well too, as if need be you can return two tactics events in one turn (now limited to thrice a game).
Merry also fits in as a solid choice for a Hobbit deck with Sam Gamgee and another Hobbit. Add in Fast Hitch and you can keep the offense going or quest and still attack, or try and trigger the effect multiple times.
Very good card for 6 threat, very easy to fit into other decks.