Mystic Tomato and Shining Angel are sometimes seen for similar reasons
Jaden's deck uses an archetype built entirely around fusion, so in any given match, Jaden is likely to either introduce a new Elemental Hero, or just fuse a different combination of Heroes to make one
In episode 96, the reason why Lightning destroyed the cybers world and created Bowmen is that when Ignis are involved with humans, everything develops well, but when Lightning gets involved, everything converges to the destruction of humans and Ignis, and Lightning, who could not accept it, did the work
So which cards are the golden goose eggs in the set
This treatment increases the value of a card as well, sometimes drastically with cards like Atraxa, Praetors' Voice seeing a nearly $80 spike with the treatment, but others not so much