First off, for multiple days, Konami is giving out Super Rare and Ultra Rare Tickets to let you acquire difficult to obtain cards. As well, they’re handing out the UR Dream Ticket, which lets you obtain an Ultra Rare Card from one of the first 9 Boxes.
Secondly, you can get a Prismatic Ultra Rare “Dark Magician Girl”
1000 Gems for free
and finally, new players gain 2000 Gems instead of 1500 Gems just for starting the game.