Honestly none of these changes are unreasonable in my opinion. Thoughts?
MAGE
FROST
-Frost fire Bolt damage reduced by 15%
-Ice Lance damage reduced by 15%
-Frostbolt damage increased by 30%
-comet now does full damage to every enemy hit
ARCANE
-Evocation cool down reduced to 45 seconds (cool down unchanged in battlegrounds and arenas)
-Arcane Barrage damage increased by 200%
-Arcane orb grants 2 stacks per hit
-Arcane blast mana cost reduced by 15%
FIRE
-Heating up buff no longer has a duration
-damage increased by 15% for 20 sec when heating up and pyroblast! Are both active.
-pyroblast damage reduced by 10%
-fireball damage increased by 75%