Aenigma

Collar of the Grand Engineer
Binds when picked up
HeadCloth
175 Armor
+22 Stamina
+27 Intellect
  Yellow Socket
  Yellow Socket
  Blue Socket
Socket Bonus: +5 Spell Damage
Requires Level 70
Equip: Increases damage and healing done by magical spells and effects by up to 53. 
Equip: Improves spell hit rating by 16.
Equip: Improves spell critical strike rating by 35.
Item display is courtesy wow.allakhazam.com.