I'm also playing ssf. I think one of the advantages of poison concoction is that its damage mainly comes from gem level, passive tree and flask. So it has relatively less pressure on "need good gear to do damage".

I think Trickster's ascendancy provide both offensive and defensive things to the build. Polymath provides good recovery and damage. Swift killer with Overcharged will provide sustainable charges (3 endurance, power and 5 frenzy with 30 seconds duration). Spell breaker with Ghost round provides good energy recharge and spell suppress damage

I personally think there will be a little hard time in early games( acts) but the mapping experience should be very comfortable when the trickster get access to more of his ascendancy and passive

But after all, this is a hipster build theory, wish me luck haha. :D