Dialga (XY77) [XY: Black Star Promos] 55a Set: Shonen Jump Magazine Promos

Set: Shonen Jump Magazine Promos Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2200 Defense: 1800 Must be Special Summoned with "Mask Change" and cannot be Special Summoned by other ways

Set: World Championship 2011 Card Pack Card type: Normal Monster Rarity: Super Rare Attack: 1800 Defense: 1500 An axe-swinging beast-warrior with the head of a dragon

You can only activate 1 "Cards of the Red Stone" per turn

Set: Sun & Moon: Black Star Promos Type: Lightning Rarity: Black Star Promo Retreat cost: Colorless

if the ATK of that card is higher than the DEF of the Defense Position monster

Dialga (XY77) [XY: Black Star Promos] 55a Set: Shonen Jump Magazine PromosSet: XY: Black Star Promos Type: Metal Rarity: Promo Retreat cost: Colorless,Colorless,Colorless