Dialga-GX is card #146 of 156 in Ultra Prism (2018), a Rare Ultra illustrated by 5ban Graphics. At about $20.67 it is the #30 most valuable card in the set. In an Ultra Prism booster it turns up about once every 377 packs. It is one of 48 Dialga cards printed so far.
2007Diamond & Pearl
2009Platinum
2011Call of Legends
2014Phantom Forces
2018Forbidden Light
2020Vivid Voltage
2022Astral Radiance
2024Surging Sparks

















See the full Ultra Prism card list
An ungraded Dialga-GX from Ultra Prism sells for about $20.67. A PSA 10 is worth more, roughly $103 by our estimate, and a PSA 9 around $47.54.
It is a Rare Ultra, and it shows up about once every 377 Ultra Prism packs.
5ban Graphics drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Ultra Prism booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.