Dialga is card #4 of 100 in Majestic Dawn (2008), a Rare Holo illustrated by Masakazu Fukuda. At about $55.62 it is the #14 most valuable card in the set. In a Majestic Dawn booster it turns up about once every 42 packs. It is one of 48 Dialga cards printed so far.
2007Diamond & Pearl
2008Great Encounters
2009Platinum
2011Call of Legends
2014Phantom Forces
2020Vivid Voltage
2022Astral Radiance
2024Surging Sparks

















See the full Majestic Dawn card list
An ungraded Dialga from Majestic Dawn sells for about $55.62. A PSA 10 is worth more, roughly $445 by our estimate, and a PSA 9 around $156.
It is a Rare Holo, and it shows up about once every 42 Majestic Dawn packs.
Masakazu Fukuda drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Majestic Dawn 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.