PoE Chaseroonie builds

I've fallen in love with ED the past few leagues and decided to theory craft this build while waiting for incursion to start. My inspiration for it was the instant cast of both contagion/ED as without cast speed this interaction feels pretty bad. Here's the pastebin for the build, imported direction from in-game - Skill gems and links are included in PoB. Bandit rewards is kill all for the 2 points. Unique items are the following: 2 Poet's Pens, 6L "The Perfect Form", Chaos Impresence Amulet, Atziri's Step (+1 frenzy charges not needed, I also prefer th