The meta for hardcore currently seems to be 2x lon bomb crusaders + Barb + X for around 85s from what I watched. The wizard was running a disintegrate converge + ranslors + etched sigil build with DMO as the 4th from what I saw.

I think the main problem is going to be positioning on your wizard while positioning everything else away a bit without a very micro oriented playstyle. On top of that your positioning matters most on wizard since the orientation of the movment of your twisters is based on your mouse cursor's position so you would need to lead from the wizard. Thing of the deep should cover the radius though as stated above.

With perfect gear you can get very close to the damage of a DMO wizard with a LoN shield throw build, but thats not something that will be readily avail and will be a grind to get going, that would give you the ability to run two DPS if you really wanted.