Gyarados-GX is card #SM212 of 248 in SM Black Star Promos (2017), a Promo illustrated by 5ban Graphics. At about $3.14 it is the #192 most valuable card in the set. It is one of 57 Gyarados cards printed so far.
1999Base Set
2002Legendary Collection
2006Holon Phantoms
2009Platinum
2013Legendary Treasures
2017Crimson Invasion
2021Evolving Skies
2025Destined Rivals

















See the full SM Black Star Promos card list
An ungraded Gyarados-GX from SM Black Star Promos sells for about $3.14. A PSA 10 is worth more, roughly $15.70 by our estimate, and a PSA 9 around $7.22.
It is a Promo.
5ban Graphics drew the art for this card.