Origin Forme Dialga VSTAR is card #SWSH256 of 307 in SWSH Black Star Promos (2019), a Promo illustrated by 5ban Graphics. At about $1.84 it is the #198 most valuable card in the set. It is one of 48 Dialga cards printed so far.
2007Diamond & Pearl
2009Platinum
2011Call of Legends
2014Phantom Forces
2019Cosmic Eclipse
2020Vivid Voltage
2022Astral Radiance
2024Surging Sparks

















See the full SWSH Black Star Promos card list
An ungraded Origin Forme Dialga VSTAR from SWSH Black Star Promos sells for about $1.84. A PSA 10 is worth more, roughly $9.20 by our estimate, and a PSA 9 around $4.23.
It is a Promo.
5ban Graphics drew the art for this card.