Card Trivia:Battle Constant
- "Brain Dragon", and the cards "Cosmo Queen", "D.D. Borderline" and "Spatial Collapse" appear in this card's Japanese anime artwork.
- "Dimensionhole" and "D - Counter" appear in the international anime artwork, each replacing "D.D. Borderline" and "Spatial Collapse" respectively.
- This is ironic, as this card's effect requires a Continuous Spell Card and Continuous Trap Card, while "Dimensionhole" and "D - Counter" are both Normal Spell and Normal Trap Cards.
- "Dimensionhole" and "D - Counter" appear in the international anime artwork, each replacing "D.D. Borderline" and "Spatial Collapse" respectively.