#magicthegathering
Here are some of the links:
Banlist: https://mtgcommander.net/index.php/banned-list/
Non-creatures that can be commanders: https://scryfall.com/search?as=grid&order=name&q=%28oracle%3Acan+oracle%3Abe+oracle%3Ayour+oracle%3Acommander%29+legal%3Acommander
Partner/Partner with: https://scryfall.com/search?as=grid&order=name&q=oracle%3Apartner
Choose a background: https://scryfall.com/search?as=grid&order=name&q=%28oracle%3Achoose+oracle%3Aa+oracle%3Abackground%29
Backgrounds: https://scryfall.com/search?as=grid&order=name&q=type%3Abackground+legal%3Acommander