Mage spell changes :
General
Amplify Magic has been removed.
Arcane
Mastery: Mana Adept has reduced in effectiveness by 6%.
Arcane Missles now deals 10% more damage.
Frost
Mastery: Icicles is now 13% more effective.
Brain Freeze now has a 15% increased chance to trigger on each multistrike (down from 25%).
Mage T18 set bonuses :
Item - Mage T18 Arcane 2P Bonus (New) Your Arcane Blast has a 20,000% chance to reduce the cooldown of your Presence of Mind by 20 sec.
Item - Mage T18 Arcane 4P Bonus (New) Presence of Mind opens up a Time Anomaly, summoning a random ally to assist you in battle.
Item - Mage T18 Fire 2P Bonus (New) Pyroblast has a 25% chance when dealing damage to conjure a Firey Pheonix, dealing [ 200% of Spell Power ] Fire damage to the target.
Item - Mage T18 Fire 4P Bonus (New) While the Pheonix is active, you gain Ph
Item - Mage T18 Frost 2P Bonus (New) Water Jet generates Brain Freeze when used.
Item - Mage T18 Frost 4P Bonus (New) Increases the duration of Water Jet by 4 sec, and increases the total Fingers of Frost stacks by 2.
Mage related miscellaneous :
Legendary ring
http://ptr.wowdb.com/items/124635-ni...s-the-all-seer
Class specific trinket on Archimonde
Arcane http://imgur.com/a/kXVLo#10
Fire http://imgur.com/a/kXVLo#11
Frost http://imgur.com/a/kXVLo#12