- In episode 168, this card can be seen on the ground after the wind blows cards off of Tsutomu's desk.
- This card appears in the Japanese closing song, WAKE UP YOUR HEART.
- In episode 1, this card is shown in Shark's hand during his Duel against Yuma Tsukumo. In the next episode, this card is still shown to be in Shark's hand.
- In episode 3, this card appears in a flashback Astral has when he notes even though his memories have been trapped in 99 different "Numbers" and then scattered, his memories won't return until he gathers them all.
- In episode 25, this card appears in a flashback Astral has when he reminds Yuma that they both know that Kite can control the "Numbers" at will unlike other cases they have seen.
- This card also appears in a flashback Kite Tenjo has after he arrives at the Duel Square and wonders if the memories he's scanning here are Astral's memories.
- In episode 27, this card appears on Striker's soccer ball.
- In episode 62, this card appears in a series of flashbacks Shark has when Yuma tries to remind him of their previous Duels with each other.
- Beta and Krue use this in Yu-Gi-Oh! 5D's World Championship 2009: Stardust Accelerator.