Ultra Necrozma GX (SM126) [Sun & Moon: Black Star Promos] SM50 When this card is Special

When this card is Special Summoned by the effect of a "Dark World" card: Your opponent must discard 1 card

and cannot be Special Summoned by other ways

If your opponent controls a monster(s) that was Special Summoned from the Extra Deck

Set: Sun & Moon: Forbidden Light Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: Ra Yellow Mega Pack Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 200 During the End Phase

Ultra Necrozma GX (SM126) [Sun & Moon: Black Star Promos] SM50 When this card is SpecialSet: Sun & Moon: Black Star Promos Type: Dragon Rarity: Black Star Promo Retreat cost: Colorless,Colorless