Yu-Gi-Oh!Edit

• In the Legendary Heroes arc, there was a fairy, Iru, based on "Key Mace", who served Princess Edina and guided Yugi and company through the Labyrinth.

• Iru also saved Yugi from a "Whiptail Crow" by jumping in front of Yugi when it was about to attack him. Sadly, Iru died protecting Yugi, but she was later resurrected by the "Mystical Elf".

• In episode 103, this card appears in the flashback relating to the events after Gozaburo Kaiba adopted Seto and Mokuba. This card is shown in Kaiba's Deck as he looks through it before finding a drawing of a "Blue-Eyes White Dragon" card.

Yu-Gi-Oh! GXEdit

• This card appeared as a Duel Spirit in Yu-Gi-Oh! GX.

Yu-Gi-Oh! 5D'sEdit

• In episode 19 "Key Mace" appeared as a Duel Spirit in Luna's past.

• In episode 48, "Key Mace" was shown in a flashback of Schwank before the Minus Curse.

• In episode 119, "Key Mace" is summoned. In episode 121, Taro used it as a Tribute for "Zushin the Sleeping Giant".

Tag ForceEdit

• In the Tag Force series of games, this card has become the symbol of near-useless low-level monsters. It is usually the cover card for the card pack of monsters that are no longer used, and in Tag Force 4, it is given as a "consolation prize" to the losers of a tournament in one storyline.