One of the most useful is removing home page clutter on youtube: youtube.com##ytd-browse[page-subtype*='home'] m.youtube.com##ytm-browse > ytm-single-colu

One of the most useful is removing home page clutter on youtube: youtube.com##ytd-browse[page-subtype*='home'] m.youtube.com##ytm-browse > ytm-single-column-browse-results-renderer > div > div[tab-identifier*="FEwhat_to_watch"]