Dialga (4/100) [Diamond & Pearl: Majestic Dawn] SM91 You can only use this

You can only use this effect of "Subterror Behemoth Umastryx" once per turn

Must be Special Summoned by "Horus the Black Flame Dragon LV6" and cannot be Special Summoned by other ways

Set: GX Tag Force Promotional Cards Card type: Effect Monster Rarity: Super Rare Attack: 1800 Defense: 1600 During your End Phase

You can banish this card from your GY

Set: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 1600 Defense: 1500 You can discard this card to the Graveyard to add 1 "Necrovalley" from your Deck to your hand

Dialga (4/100) [Diamond & Pearl: Majestic Dawn] SM91 You can only use thisSet: Diamond & Pearl: Majestic Dawn Type: Metal Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless