Pretty good build. I'm no fan of mirror image because it seems to me like anything Mirror Images does for you Nova will do it for you better with a lesser cooldown even unruned.
Wave of Force is great but that rune makes them teleport randomly. What if they randomly teleport right on top of you? I don't know if it works that way of course. I assume there's a minimum, but they could still get a surround on you if it's random. I'd just take the stun or cd reduction.
Arcane Dynamo isn't very constant. I'd pick Glass Cannon over it any day, even with the negative effects.
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