Chasma, Dragon Ruler of Auroras (Quarter Century Secret Rare) (ALIN-EN047) - Alliance Insight 1st Edition Number_CRV-EN014 you can Special Summon 1

you can Special Summon 1 "Stardust Dragon" from your Graveyard

Double that monster's ATK until the End Phase

and if the result is one of the numbers you declared

you can negate the activation and effect of any Spell Cards and destroy them

Chasma, Dragon Ruler of Auroras (Quarter Century Secret Rare) (ALIN-EN047) - Alliance Insight 1st Edition Number_CRV-EN014 you can Special Summon 1TypeDragon Xyz Effect Monster AttributeLIGHT ATK DEF3000 1600 Card Text2 Level 7 Dragon monsters (Quick Effect): You can send 1 Level 7 "Dragon Ruler" monster from your Deck to the GY and detach 1 material from this card; this effect becomes that sent monster's effect that discards itself to activate. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can Special Summon 1 Level