Card Trivia:Number 66: Master Key Beetle
For trivia pertaining to this monster's Number, see Forum:"Numbers" Xyz Monster Trivia. Any contributions regarding this type of trivia should be placed there, instead of this page.
- This monster's horn resembles the Emperor's Key, referencing how it contained Astral's memories of how to operate the Different Dimension Airship in the Yu-Gi-Oh! ZEXAL anime.
- This card's effects are based on the "locking" function of a key, as it can prevent a targeted card from being destroyed by card effects, and prevent its own destruction.
- This monster's neutral form resembles a curled-up larva with the horn tip held downwards at an angle, giving it the shape of a question mark.
