@MTGFanatic hashtags are the way to go for following interests here - as in, you can literally follow hashtags on topics you're interested in as well as individual users. Try #mtg and look for interesting people and sub-tags (like #mtgcustomcards, etc, depending on your preferences)

Yo #magicthegathering #mtgcustomcards #mtg

I'm making a cycle of 1mv planeswalkers for my #mtgcube.

I wonder if twitter is actually going to blow up for real or if I can abandon this account.