Card Trivia:Yggdrago the Sky Emperor (L)
- This is one of the cover cards of Maximum Ultra Enhancement Pack.
- This monster appears in the artworks of "The Menacing Eyes of the Sky Emperor" and "Transmigration of Curiosity" in Maximum Mode (together with "Yggdrago the Sky Emperor" and "Yggdrago the Sky Emperor [R]").
- Along with "Yggdrago" and "Yggdrago [R]", this card is based on Yggdrasil, the immense tree that connects the Nine Worlds in Norse mythology.
- This monster's Level and the Level of "Yggdrago [R]" add up to 7, referencing the series' title Yu-Gi-Oh! SEVENS.