Ok, I have good news my friends

Found out what the problem was, it turned out to be a faulty JJ Redick cyberface that's causing the issue. It was NLK's, which is surprising, he always makes high quality mods. I just put the original back in the and now it's fine (well, I haven't really tried yet, I found out about it when my friend and I were trying to play online match, with magic being my team for the particular game, but I know for sure that's what it was, because it was crashing the same way).