The World Premiere Pack 2021, featuring cards released earlier overseas will be released on the 25th of September 2021. This pack will focus on the cards introduced in the foreign versions of the sets from Phantom Rage to Lightning Overdrive, and you can also obtain the new cards introduced in sets like King’s Court.

Each pack will contain 5 cards and will sell for 165 yen (incl. tax)

(This information may be subject to change).

Source.