For the next month, while supplies last, starting May 21st, 2019, people in Japan will be able to order the 3 card pack “20th Anniversary Secret Selection”, featuring high class foiled versions of 3 classic Spells.

The pack will cost 600 Yen per pack, and must be ordered by home computer, Tablet, or Smartphone. Future Phones cannot be used. The packs will not have priority shipping.

The Pack itself

VP19-JP001 Harpie’s Feather Duster

This card is a 20th Secret Rare

VP19-JP002 Monster Reborn (TCG Artwork)

This card is a Secret Rare

VP19-JP003 Polymerization

This card is also a Secret Rare

Source