Starting with the Battle for Zendikar prereleases the "Vancouver Mulligan" debuted and tested at Pro Tour: Magic Origins will be extended to all events!
“Vancouver Mulligan” to be extended to all events
Tag: Pro Tour Origins
Changes starting with Pro Tour Magic Origins
Hélène Bergeot announces changes affecting the Pro Tour and other Professional Level Events including a experimental mulligan rule to be used only at Pro Tour Magic Origins.