- This card first appeared in the Yu-Gi-Oh! R manga Special Chapter, and is played by Yugi Mutou against Masumi Momono. It then later appeared alongside Kaien and Stairway to the Underworld in Yugi's final duel against Yako Tenma.
- In the manga, the "Emissary of Darkness Token" was an actual card called "Kaien the Emissary of Darkness" that could be Special Summoned by the effect of "Stairway to the Underworld".
- This is used by Angie, Delta, Hung Soo, Mito and Oscar in Yu-Gi-Oh! 5D's World Championship 2009: Stardust Accelerator.