Dialga (Japanese: ディアルガG[ギンガ] Dialga G [Galactic]) is a Metal-type Level-Up Pokémon LV.X card. It is part of the Platinum expansion.
This card was included in the Platinum expansion, first released in the Japanese Galactic's Conquest expansion. It was later included in the Clash of Legends Box in November 2010.
Dialga plays a major role in the schemes of Team Galactic in the Pokémon games. Though Cyrus himself never actually uses it to battle, he manages to summon it in Pokémon Diamond and Pokémon Platinum.