Note: If you own the first printing of Sushi Go Party (the first printing had issues with the cards being inconsistently sized), there will be a somewhat significant color variation between these cards and your cards.
Sake is an 'special' pack included for free with purchases of Sushi Go Party! at conventions and also sold separately.
Sake grants 3 points towards scoring if played, but forces you to choose your next drafted card randomly from those that are passed to you.
For more information, visit the BGG listing.