This cloak is made of a finely woven green wool, with an emerald silk trim. 

The cloak has 3 charges, and it regains 1d3 expended charges daily at dawn. When you cast a spell, you can expend 1 charge to impose disadvantage on the first saving throw one target makes against the spell.

Notes: Disadvantage: Saving Throws, Wizard, Debuff, Outerwear