Dialga is card #95 of 132 in Mega Evolution (2025), a Rare. At about $0.18 it is the #186 most valuable card in the set. In a Mega Evolution booster it turns up about once every 17 packs. It is one of 48 Dialga cards printed so far.
2007Diamond & Pearl
2009Platinum
2011Call of Legends
2014Phantom Forces
2020Vivid Voltage
2022Astral Radiance
2024Surging Sparks
2025Mega Evolution

















See the full Mega Evolution card list
An ungraded Dialga from Mega Evolution sells for about $0.18. A PSA 10 is worth more, roughly $0.63 by our estimate, and a PSA 9 around $0.36.
It is a Rare, and it shows up about once every 17 Mega Evolution packs.
Yes, as a digital simulator. Holobrook lets you open Mega Evolution 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.