Introducing Planeswalker Points
"As of today, we'll be using a new system called Planeswalker Points. But it's not just a new rating system. Planeswalker Points is designed to let all players, from casual to competitive to pro, track and show off how much they play—and win!—in Magic events."
For more information read the full article here: http://www.wizards.com/magic/magazine/article.aspx?x=mtg/daily/feature/159b