Please feel free to recommend changes to it im trying to get my setup as good as possible so feel free to tell me what i should add or trade out

Jackson dk2m
Mesa Mark IV
Mesa 4 12 standard rectifier
Steve Vai Bad Horsie II Wah
Boss RV-5 digital reverb pedal
Boss RC-2 Loop
and a evh phase 90
if you can afford that amp and all those pedals, you might as well get a better guitar.
Well Enough Alone
Instead of buying a bunch of pedals you would probably be better off with a G-Major. Other than that it's a great setup for metal.
Major of 7 String Legion 7 > 6

Carvin DC747
Ibanez RG2228
Schecter Avenger Custom Shop
and my baby....
Gibson Explorer Studio