Erron Black
I play all three of erron's variations: all of which are all great variations if played right. With marksman, it's main edge is for pressure, zoning and combos. The Marksman rifle low shot (down,forward 1) is one of your main tools with Marksman as you are able to cancel. This means that general combos will be higher (if cancelled quick enough) and deal more damage. Not to mention the pressure you can put on someone ...