Card Trivia:Nightmare's Steelcage
- In the original Yu-Gi-Oh! series, Marik played this card through Strings and imprisoned Yami Yugi within it. The same occurred when Bonz used this card against Yami Bakura.
- However, in Yu-Gi-Oh! 5D's, Yusei Fudo used this card and imprisoned himself within it for protection.