s/d build primary for wvw
You can go zerker/soldier for a bit more survival or zerker/valk but i would also suggest grabbing yourself defender runes a bit of damage loss but the extra heal is around 4k not to mention with a med kit you can have aegis up every 10 sec increases your survival a ton
Personally, I go balls out offensive with my trait choices so I like to have knights armour with everything else berserker.
You might consider Knight armor/trinkets (for added toughness) and use Superior Rune of the Wurm, which adds quite a bit of Ferocity. My SD build goes 6 deep in the Tools Trait line, so that, along with Wurm Runes gives me plenty of Ferocity.