Card Trivia:Machina Citadel

"Machina Citadel":

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• Appearances

• This is the cover card of Structure Deck R: Machiners Command/Structure Deck: Mechanized Madness, and is also one of the cover cards of Theme Pack: War of Infinite Machine.

• This monster appears in the artwork of "Machina Overdrive".

• This card's Japanese name, "Machiners Colonel" (マシンナーズ・カーネル Mashinnāzu Kāneru), is a pun on "kernel" (カーネル Kāneru) and "colonel" (コロネル Koroneru).

• This monster is an upgraded form of "Machina Fortress".
  • Fittingly, its name contains "Citadel", which by definition is a stronger fortress.