There's also Clifton Comics and Games about two blocks from UC campus. Some Magic event every Friday and Saturday, and people sit around and play WoW TCG randomly. Another place is Comic Book World, but I've only been there once.
www.yottaquest.comwww.cliftoncomics.comwww.comicbookworld.comUm, I also live in Cinci, and me and/or my small playgroup would usually be up for some Magic when free. PM me if you want a phone number.