"6-piece "Star Beast" set will encompass Mythic Level 86 "Star Beast" armor, artifact, belt, bracelet, helmet and ring."
Why mage is favored? Mage can use 71lvl amulet with full starbeast set to stack int in some maps. Rogs and wars can't use 71lvl arcane belts and rings with full starbeast set.
@asommers @Cinco