Card Trivia:Battle Constant

"Battle Constant":

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• Appearances

• "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.