Basically if you were hoping to import it, you’re out of luck.

The Duelist Card Protect Six Attribute Set
3850 Yen

Limited to 2000 People
1 Set Per Person
Basically you get the chance to enter a lottery to get it it. You cannot directly order it. You need a Konami ID (and most likely need to live in Japan)

Lottery Entry lasts from 2PM JST on November 29th to December 9th 11:59 PM JST

You will be contacted on December 11th via E-Mail

Source