This one here?
Hmn, in that case I would say there’s not much point buying a Nazar, the existing weight of purpose could neutralize your attempts to usurp it, especially as you are attempting to add a baneful element to a traditionally peaceful item. From an energy perspective I don’t anticipate them working together so well.
… And given you can just as easily use any necklace and enchant it to suit, why risk wasting time?