Card Trivia:Formation Union
- "Kiryu" and "Dark Blade" appear in this card's artwork.
- This artwork may depict "Dark Blade" being rescued by "Kiryu" after the events in the artwork of "Centrifugal Field".
- "Metalsilver Armor" > "Dark Blade" > "Pitch-Dark Dragon" > "Frontline Base" > "Dark Blade the Dragon Knight" > "Centrifugal Field" > "Kiryu" > "Formation Union"
- This artwork may depict "Dark Blade" being rescued by "Kiryu" after the events in the artwork of "Centrifugal Field".