Card Trivia:Machine King

"Machine King":

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• This card has an upgraded version known as "Perfect Machine King" as well as a prototype form, "Machine King Prototype".

• "Mechanicalchaser", "Robotic Knight", and "Cyber Soldier" all serve under him.

• A promotional version of this card has its name in white.

• This is the only monster of its "evolution" line to get its ATK increased without having any other Machine monster on the field.

• "Machine King" could be based on the Transformers character Optimus Prime. Not only are they similar in appearance, but both are leaders of machines.
  • It's more similar to the "God" Robot Ideon, but this resemblance is also questionable.

• "Machine King" has a trap version of itself, "[[Machine King - B.C. 3000]"].