This is literally exactly the same as casting a curse. The three fold law is Wiccan dogma not a law of physics, so there is not bad karma for cursing. This is not even how karma works. Stop being holier then thou!
lokean-witch: “Special Mama Von Recipe for Samhain! Black Salt, a powerful little ingredient for your spells, hexes, charms and more! Here’s my personal recipe for: a) Protection b) Banishing c) Bad Luck Hex Here is a picture tutorial, if you want to.