Vest of the Archmagi

Equip {3}
Equip only to a wizard, cleric, or shaman.
Equipped creature gains hexproof and +0/+1.
When you cast an instant, sorcery, or
enchantment, gain life equal to its converted
mana cost.
"'Your' vest? Yours? Oh dear little girl,
whom do you think it was that crafted that garment?"
-Thevril Vandvier