MIL practices black magic/witch craft

After two years of emotional and mental abuse from my MIL, my boyfriend and I and our two babies finally moved out last month out of her home. I feel better not living in fight and flight mode anymore, however I feel traumatized from what I experienced in such a short time. Anyways, ever since we moved out.. we started getting bad luck. It’s not even funny. We been fighting more often… just arguments over normal stuff I would say such as who does the cleaning, finances, etc. Just about 3 days ago, my boyfriend took our only car to his night shift job and guess what? It ended up getting stolen. Stolen where there is a security guard always on watch. My boyfriend and I feel so defeated. He hasn’t gone to work in 2 days because he is angry at what happened and the fact that the security guard was not even monitoring the parking lot, and the security cameras weren’t even working. Mind you, this company hires ex-convicts… I’m starting to believe my MIL is actually doing witchcraft to me, which is affecting our relationship, finances, mental health, you name it. Why do I think that? Well a few years ago, I was experiencing bullying at my job to the point where I would panic before I got to work and cry a lot. My MIL then told me one day that she knew how to get rid of people, especially co-workers. She basically told me to get a white sheet of paper, fold it a certain way, then cut one part of it, then write the full name of the person you want to get rid of in red ink and continue writing their name underneath until it gets smaller and once you can’t write their name, she said to fold the paper as much as you can until you can’t anymore, then you place it somewhere underneath something very heavy. Then everyday, think about this person and their name, and say to yourself this prayer she told. At the time, I didn’t even think much about it, as she is a Christian and was always good to me before I got pregnant with our firstborn. So I trusted her. Then recently I thought about it, and told my boyfriend and sister… they immediately said that sounds like witchcraft… So yeah, I’m pretty sure she is doing something to me because I went no contact with her and do not allow her to see my kids, including any photos or videos. When I say she is evil. She really is. I have so many stories to confirm why she is, but I don’t want to get into that. Reason for this post is wondering if anyone knows if this is black magic or witchcraft? And if anyone has experienced this…