Swampert-EX is card #XY55 of 211 in XY Black Star Promos (2013), a Promo illustrated by Eske Yoshinob. At about $10.26 it is the #149 most valuable card in the set. It is one of 15 Swampert cards printed so far.
2003Ruby & Sapphire
2004Team Magma vs Team Aqua
2006Crystal Guardians
2008Great Encounters
2009Supreme Victors
2013XY Black Star Promos
2018Celestial Storm
2021Fusion Strike

















See the full XY Black Star Promos card list
An ungraded Swampert-EX from XY Black Star Promos sells for about $10.26. A PSA 10 is worth more, roughly $82.08 by our estimate, and a PSA 9 around $28.73.
It is a Promo.
Eske Yoshinob drew the art for this card.