Card Trivia:Galaxy-Eyes Cipher X Dragon
- This is the third evolution of "Galaxy-Eyes Cipher Dragon", after "Neo Galaxy-Eyes Cipher Dragon" and "Galaxy-Eyes Cipher Blade Dragon".
- This card holds several firsts among "Galaxy-Eyes" monsters:
- The first Rank 10
- The first Double Rank-Up
- The first with 4 wings
- This is one of the cover cards of Selection 10.
- The "X" in this card's name stands for "Extreme".