My personal choice would be 5/5 Rune Enhancement Effect, 5/5 Vallation Effect, 5/5 job trait: inspire, 4/5 job ability: battuta, and 1/5 job ability: Rake

If these merits are final that is. Though alot of these should be different since -- I don't how many already -- people have posted pretty soliid ideas. Oh well, some of these are really nice merits too.