Here's the lists I use.
https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts
https://mirror1.malwaredomains.com/files/justdomains
http://sysctl.org/cameleon/hosts
https://zeustracker.abuse.ch/blocklist.php?download=domainblocklist
https://s3.amazonaws.com/lists.disconnect.me/simple_tracking.txt
https://s3.amazonaws.com/lists.disconnect.me/simple_ad.txt
https://hosts-file.net/ad_servers.txt
https://blocklist.site/app/dl/malware
https://blocklist.site/app/dl/ads
https://blocklist.site/app/dl/tracking
https://raw.githubusercontent.com/HenningVanRaumle/pihole-ytadblock/master/ytadblock.txt
https://github.com/anudeepND/youtubeadsblacklist/blob/master/domainlist.txt
https://raw.githubusercontent.com/imkarthikk/pihole-facebook/master/pihole-facebook.txt
Last one I usually leave off unless I get annoyed with the SO sharing dumb facebook shit too often.