Dialga-GX is card #138 of 131 in Forbidden Light (2018), a Rare Rainbow illustrated by 5ban Graphics. At about $76.64 it is the #3 most valuable card in the set. In a Forbidden Light booster it turns up about once every 687 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 Forbidden Light card list
An ungraded Dialga-GX from Forbidden Light sells for about $76.64. A PSA 10 is worth more, roughly $383 by our estimate, and a PSA 9 around $176.
It is a Rare Rainbow, and it shows up about once every 687 Forbidden Light packs.
5ban Graphics drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Forbidden Light 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.