The Enigma Order

Taken from WoW EU mage forum

Mage

* Blink mana cost reduced roughly 40%
* Improved Blink now increases the distance you Blink by 15/30%, and you have a 15/30% chance to reduce the cast time of your next Fireball, Frostbolt, or Arcane Blast spell by 50% after you Blink. (Might just do one of these effects)
* Prismatic Cloak now reduces damage taken by 3/6%, up from 2/4%
* Mana Cost of Slow reduced roughly 40%
* Arcane Fortitude now increases your armor by an amount equal to 100% of your Intellect, up from 50%.
* Mana Shield now scales with spell damage. (Max rank with full S3/best gear will absorb around 1Kish, added damage absorb doesn't cost/consume mana to the shield, it will always cost what the tooltip says)
* Improved Fire Ward is now Molten Shield
* New Talent: Molten Shield - Reduces all damage taken by 2/4% while using Molten Armor, and causes your Fire Ward to have a 25/50% chance to reflect Fire spells while active.
* Frost Warding: Chance to reflect Frost spells while Frost ward is active by 25/50%, up from 10/20%.
* Icy Veins no longer increases the chance your chilling effects Freeze the target, but now reduces pushback by 100% for 20 sec.
* Icy Veins spell haste bonus no longer stacks with Bloodlust.
* Ice Flows now gives you a 15/30% chance to avoid interruption caused by damage while casting any Frost spell.