Duelist Set: DX Double Union is a special set containing both Duelist Set: Version Lightning Star and Duelist Set: Version Dark Returner.
- Special Set of Lightning Star and Dark Returner versions.
- Duel field, storage box and protector in limited Double Union design. (Other items identical to the seperate versions.)
- 2 Special Cards (Different Rarity as in the Lightning Star/Dark Returner sets)
- 2 Preconstructed decks
- 2 Playing guides
- 2 Duel fields
- 2 Big storage boxes
- 2 Stock-cases
- 2 Packs of Card Protectors (each 70 sleeves)