The new Wizards Account System makes it easier for you to access and manage many of your existing accounts with Wizards of the Coast, including your DCI, Planeswalker Points, customer support, and community forum accounts. Existing account holders will have the opportunity to unify their accounts under a single Login ID and Password whenever they login.
This is a big change to the system that should enable stores to easily get players DCI numbers and save time.
Read More about the new Wizards Account System