the commanders are good for that too, can kill in 2min or less on most classes, 6g for the kill, plus high chance for kappa cubes and other stamilars, good for building that collection for titles.
http://limeox.info/app/scarlet/#build=40X__00_000000000236033000da1410110500421
Medic build template, from here you can put points in pretty much anything you want and it still remains a good build.