Card Trivia:Swift Gaia the Fierce Knight
- This monster is a cover card for Dark Beginning 2, Beginner's Edition 2, Beginner's Edition 2 (2011), Retro Pack 2, Deck Custom Pack 01, the Collectible Tins 2004, and Duelist Legacy Volume.4.
- Either this monster or "Gaia The Fierce Knight" appears in the artworks of "Baton of the Hero", "Hero's Guild", and "Spiral Spear Strike".
- A number of the Secret Rare Tin Versions of this card were printed with a Super Rare background, instead of a Secret Rare background.
- This monster is a retrained version of "Gaia The Fierce Knight". It also has several counterparts.
- A Synchro Monster counterpart: "Gaia Knight, the Force of Earth".
- A Fusion Monster counterpart: "Gaia Drake, the Universal Force".
- An Xyz Monster counterpart: "Gaia Dragon, the Thunder Charger"
- A Link Monster counterpart: "Gaia Saber, the Lightning Shadow".
- This card also has its own retrained version: "Lord Gaia the Fierce Knight".
- This card's effect to Normal Summon itself without Tributing monsters references the Standard rules of Duel Monsters during the Duelist Kingdom arc in the Yu-Gi-Oh! manga and anime, which allowed players to Normal Summon high-Level monsters without Tributing monsters. As such, during the Duelist Kingdom tournament, "Gaia The Fierce Knight" was often Normal Summoned from the hand.
- This card's OCG/TCG artwork is taken from the title page for Yu-Gi-Oh! Duel 125 (Duelist Duel 66): "Seen Through!?".
