Archwizard
Mage primary archetype combined with Mage secondary is a Archwizard class combo is an Archwizard class.[1]
A Mage/Mage is basically a pure mage... There is a benefit of course: you're giving up something by choosing that kind of flexibility [over] whatever role that another subclass can provide.[2] – Jeffrey Bard
Archwizard is... going to double down on the role of that mage class. It's going to be something that depending on how you choose spec out your skills... They're going to be highly focused in this DPS magical DPS elemental damage. You're going to have high mobility the ability to kind of teleport around the battlefield. You're going to have CC capabilities. You're going to be in tune with the ability for you to empower your spell's with with certain types of damage that can be beneficial for certain types of encounters.[3] – Steven Sharif