More Info on 20th Anniversary Duelist Box

From the official website.

The Special Packs in the set that come with cards are confirmed to each contains 3 Ultra Rare and 3 Parallel Rare foiled cards. So a total of 18 cards included besides the reprints of the hero’s ace monsters. It’s not noted how many of the cards are new cards and how many are old cards

Source

NeoArkadia

NeoArkadia is the mysterious Number 2 of the Organization.