Card Trivia:Magistus Invocation
- "Crowley, the Magistus of Grimoires" and "Aiwass, the Magistus Spell Spirit" appear in this card's artwork.
- This card's artwork is based on the claims of Aleister Crowley, that a being called Aiwass dictated The Book of the Law to him.
- The book from the artwork of "Crowley, the Magistus of Grimoires", which appears to be an earlier version of "The Book of the Law", also appears in this card's artwork.
- This card's effect, and English and Japanese furigana names, are based on "Invocation". Its Japanese kanji name is based on "The Book of the Law".