Yu-Gi-Oh! Speed Duel GX: Duelists of Shadows includes:

• 8 Decks:
  Supreme King Jaden – Evil Hero
  Shadow Rider Nightshroud – Red-Eyes
  Shadow Rider Camula – Vampire
  Shadow Rider Tania – Amazoness
  Shadow Rider Titan – Archfiend
  Shadow Rider Amnael – Macro Cosmos
  Kagemaru – Sacred Bests
  Adrian Gecko – Cloudian
• Secret Rares of all 3 Sacred Beasts
• 5 Secret Rare upgrades from a set of 21
• 20 Skill Cards