In the last section of today's column, BDM announced the new DCI Total rating:

Wizards is introducing a new ELO rating called DCI Total that is the total of all the matches a player has participated in: Standard, Extended, Block Constructed, Vintage, Legacy, Sealed Deck, Booster Draft, 3-Person teams, and 2-Person teams. Unlike Composite rating, this is not an averaged rating. It is one rating for all your matches other than ones where you play with more than two players in a single game of Magic (multi-player and 2HG).

...

Players can expect to see their DCI Total rating within the next month. It will be interesting to see if any new players—Vintage and Legacy players, even—will suddenly find themselves with a seat at the Pro Tour table.