Magic: The Gathering Tournament Rules UpdateJuly 9, 2018
There’s an article on DailyMTG all about the updates to tournament rules, including some newly banned cards in Legacy. From the article:
In each update, most changes are small—grammar corrections, changes in language to provide better clarification on the intent of a rule, “housekeeping” updates (items that are updated each release due to new set announcements), etc. However, we sometimes have substantive changes, and those changes are listed below.