I use:

1337x Bangumimoe Bitmagnet Bitsearch BT.etree CrackingPatchin Ebookbay Kickasstorrents Limetorrents Linuxtracker Nipponsei Nyaa.si Shana Project Subsplease Uindex

But my prowlarr stats show that only these are used much

1337x ~ 500 grabs Bitsearch ~ 400 grabs Limetorrents ~ 250 grabs Kickasstorrents ~ 240 grabs Nyaa.si ~ 150 grabs Bitmagnet ~ 100 grabs