Stellarknight Constellar Diamond [SECE-EN051] Ultimate Rare Legendary Duelists when a Special Summoned monster

when a Special Summoned monster activates its effect while you have a "Shaddoll" card in your hand: You can negate the activation

When this card inflicts Battle Damage to your opponent''s Life Points

You must Tribute 3 monsters to Normal Summon (cannot Set this card)

this card can attack your opponent directly

When this card is Summoned: You can send 1 Level 2 or lower Aqua-Type WATER monster from your Deck or face-up from your field to the Graveyard

Stellarknight Constellar Diamond [SECE-EN051] Ultimate Rare Legendary Duelists when a Special Summoned monsterSet: Secrets of Eternity Card type: Xyz Effect Monster Rarity: Ultimate Rare Attack: 2700 Defense: 2000 3 or more Level 5 LIGHT monsters During your Main Phase 2, you can also Xyz Summon this card by using a "tellarknight" Xyz Monster you control as the Xyz Material, except "Stellarknight Constellar Diamond". (Xyz Materials attached to that monster also become Xyz Materials on this card.) While this card has Xyz Material, neither player can send cards