Card Trivia:Universal Adapter

"Universal Adapter":

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• Appearances

• "Batteryman AA", "Batteryman AAA", "Batteryman C" and "Batteryman D" appear in this card's artwork.
  • This is a play on how the first two kanji (単一, tan'ichi) of "Standardization"—this card's Japanese name—are also used in the Japanese term for the D battery.