+1 for git log -S. Two I use daily: rg --hidden -g '!*.lock' to skip noise, and python3 -m json.tool to pretty-print API responses.

I wrote this about git log -S and other Git tools for code archaeology and debugging: https://lucasoshiro.github.io/posts-en/2023-02-13-git-debug/

You can see the discussion about it here: https://news.ycombinator.com/item?id=39877637