Cost gets you entry & 5 Booster Packs per person.
This is an official tournament you must have an account to participate. Follow the link above to register for an account https://www.bandainamcoid.com/
For step-by-step instructions follow this link:
https://lp.bandai-tcg-plus.com/en/use01.html
https://www.facebook.com/events/935454161942338/