Mence won't be banned for round 1 as it's currently being tested, but it hasn't banned to BL (yet). Should it get banned to BL the ban will be implemented the first following round after the ban is announced.
And for anyone who wants to compete for the Grand Slam trophy but missed the UU Open sign-up deadline, the LC- and RU Open sign-ups are scheduled to go up this Thursday (July 14th). Your best 5 results in the 'Opens' will count for your score to try and make play-offs, and since there's still 6 Opens to sign up for there's still plenty of opportunity to qualify.