You get perm banned. You delete your account. You wait 6 months with zero interaction with the reddit site. You clean out all the reddit cookies in your browser. You delete any reddit extensions that you may have in your browser. You use a different email for verification. But you still use your original IP. Anyone ever try this?
Not only would the IP address already get ya, but reddit is also known to use fingerprinting techniques to get ya.
Small plug, I made a site to check this: bscan.info