As the name suggests, its role is basically control through CCs, buffs, and debuffs.
As long as you never play solo, this could work. You can test in the beta to see if you have fun with it and how it feels solo. But it does what u wanted it to do. I dont like Psychokino so i would swap that out for cryo 2 or someting else.
Swap and Psychokinesis synergize quite well with ice wall.
I’m totally new at this, but I think I will also try to play some kind of control/support mage character. I hope sleep and hangman’s knot will be enough to be useful at cc and if I got that right Spiritual Chain will copy my buffs to my chained allies. I have no idea how is that going to work, but if it can copy buffs like surespell, quick cast or boons of my summoned servant, then I’ll like it. 
I’m not sure about the sorcerer, maybe I will take the alchemist instead, but on paper I like the wizard-linker combo so far.
I was initially going to go for something similar but I then heard something about there being a limit to how many buffs you can have as well as being able to override existing ones which is a problem support Clerics commonly have I hear.
I think I will still stick to that build, or something similar (maybe one less Linker lever and I will take both Sorcerer and Alchemist, if I can).
I don’t want to go overboard with the control/support skills, so my character should be at least fine being solo and I think the wizard and the linker has a nice synergy.