Card Trivia:Slifer the Sky Dragon

"Slifer the Sky Dragon":

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• This is the cover card of Quarter Century Anniversary Selection, and is also one of the cover cards of 2016 Mega-Tins, Battle Pack 2: War of the Giants, Millennium Box Gold Edition, Speed Duel: Battle City Box, Legendary Collection: 25th Anniversary Edition, and Speed Duel: Streets of Battle City.

• This monster appears in the artworks of "Quiz Panel - Slifer 10", "Quiz Panel - Slifer 20", "Quiz Panel - Slifer 30", "Thunderforce Attack", "The Revived Sky God", "Ultimate Divine-Beast", and the second artwork of "Raigeki".
  • An engraving of this monster appears in the artworks of "Gravekeeper's Inscription" and "Gravekeeper's Oracle".

• This card's Japanese name, "The Sky Dragon of Osiris" (オシリスの天（てん）空（くう）竜（りゅう） Oshirisu no Tenkūryū), is based on Osiris, the god of life, death, and fertility in ancient Egyptian religion.
  • This card's English name, "Slifer the Sky Dragon", is based on Roger Slifer, an employee of 4Kids Entertainment.
  • This card is the only Egyptian God to have its name changed in the TCG.

• This card has a Wicked God counterpart: "The Wicked Eraser".

• This card has a Sacred Beast counterpart: "Uria, Lord of Searing Flames".

• The name, appearance and ATK-gaining effect of "Ascension Sky Dragon" are based on this card.

• The Illegal version of this card is the only card to have a red frame.
  • It is also the only card to have X000 ATK and DEF.

• In the Japanese version of the Yu-Gi-Oh! anime, the original version of this card and the other Egyptian Gods were in English, while still having their Japanese names.
  • "Defense" was also misspelled as "Difence" on this card and the other Egyptian Gods' card text.

• This monster and Yami Yugi appear in page 12 of chapter 104 of the Bobobo-bo Bo-bobo manga, by Yoshio Sawai.
  • The corresponding episode of the anime used a different gag instead, as Toei Animation, who produced the anime of Bobobo-bo Bo-bobo, no longer had the rights to Yu-Gi-Oh!.

• In the Yu-Gi-Oh! Millennium World manga, this card was also known as "The Dragon King of the Sky" (天（てん）空（くう）の竜（りゅう）王（おう） Tenkū no Ryūō).

• The background of this card's artwork was used in the Yu-Gi-Oh! Forbidden Memories video game as one of the Forbidden Ruins wall designs.
  • The international version of Forbidden Memories replaces the hexagrams in the background with hexagons; the TCG release does not alter this detail.

• The card artwork for this card's Illegal version is taken from Yu-Gi-Oh! Duel 172 (Duelist Duel 113): "Summon the Nightmare", specifically from the panel showing this monster being Summoned.
  • This card's second alternative artwork is based on this monster's pose in a flashback in the Yu-Gi-Oh! The Dark Side of Dimensions movie.

• This monster shares similarities with "Arcana Triumph Joker".
  • Both monsters feature a red color scheme and share the same Level (10).
  • Both monsters share close synergy with the Three Musketeers of Face Cards.
  • Both monsters feature an effect that gains ATK equal to the number of cards in the hand and can destroy cards on the field.