Take this:
http://www.gwpvx.com/Build:Team_-_7_Hero_Surgeway
Swap one of the surge mesmers for a panic mesmer:
http://www.gwpvx.com/Build:Me/any_Panic_Hero
You can pretty much just walk forward a few feet, let them murder everything, and then walk forward a few more feet. you still need to drive them around some, but they'll take care of things mostly. Due to having the undead wall, the undead will have a tendency to run around and aggro anything roughly in the area, so it's less farting than you might imagine.
I would drop death nova from the MM and swaps for SoLS. Mostly because I hate the MM being 20 seconds back perpetually casting death nova.
if you plan on doing this in hardmode instead of NM, swap one of the rits for a ST rit
http://www.gwpvx.com/Build:Rt/any_Soul_Twisting_Hero