Elgyem is card #BW55 of 101 in BW Black Star Promos (2011), a Promo illustrated by Mizue. At about $13.96 it is the #58 most valuable card in the set. It is one of 12 Elgyem cards printed so far.
2011BW Black Star Promos
2012Next Destinies
2013Plasma Storm
2015BREAKthrough
2019Unified Minds
2022Silver Tempest
2024Temporal Forces
2025Black Bolt

















See the full BW Black Star Promos card list
An ungraded Elgyem from BW Black Star Promos sells for about $13.96. A PSA 10 is worth more, roughly $112 by our estimate, and a PSA 9 around $39.09.
It is a Promo.
Mizue drew the art for this card.