Card Trivia:Crowley, the Magistus of Grimoires
- This monster is a younger version of "Aleister the Invoker".
- This monster appears in the artworks of "Alpha Summon", "Magistus Invocation", "Magistus Theurgy", and "Trismagistus".
- This monster is holding what appears to be a precursor to "The Book of the Law".
- The kanji title in this card's Japanese name, 「法典の大賢者」 "Great Sage of the Lawbook", appears to be a reference to "The Book of the Law".