PoE Soulrend, Witch, Melee builds

Hey, I was thinking about going Exsanguinate Elemancer spellslinger as my started since the DoT numbers seem pretty nice, worst case scenario I'll switch to BA ignite. This is the passive tree that I came up with so far: I'm trying to get some spell damage in the witch area and then get the both phys dot nodes, life, and some wand stuff. I would be grateful if someone could look over it and maybe point out any stupid mistakes.