Sorry for posting a lot this morning (for me at least)
They expanded backstage pass
They included 5 7 cards. ALL the drummers get a card.
This is incredible:
I might be wrong, but from what I get from the twitter post, Saya, Maya, Kanon and Tsukushi are part of the gacha and Tomoe, Ako and Masking are part of the event. I really hope I'm wrong because Tomoe deserved that powerful 4*.
At least, Dreamfes Sayo might break her no happy cards curse: