• "Key Warrior" could be an indirect spoof of the Disney/Square Enix game Kingdom Hearts, where the main character uses a key-like sword called the 'Keyblade' as a weapon, which is similar to the sword in this monster's hand.
    • Furthermore, the armor resembles the armor worn by the Keyblade Wielders in Kingdom Hearts: Birth By Sleep, more specifically, Master Eraqus's armor in terms of relative color scheme.
  • This card bears some resemblance to Clavis Angemon.

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