2 items: Adds 1096 Maximum Magicka
3 items: Adds 129 Magicka Recovery
4 items: Adds 129 Magicka Recovery
5 items: When you heal yourself or an ally with a direct heal ability, remove up to 3 negative effects from them. If a negative effect was removed this way, your target restores 678 Magicka. This effect can occur every 8 seconds per target.

Type: PvP
Location: Cyrodiil, Cropsford Elite Gear Vendor

Obtainable items:
Jewels
Weapons
Light Armor