Stellarknight Constellar Diamond [SECE-EN051] Ultimate Rare Ghost Rare then activate 1 of these

then activate 1 of these effects

nor used as Fusion Material

you can treat 1 Pendulum Summoned Pendulum Monster you control as a Tuner

Must be Ritual Summoned

add up to 2 "Thunder Dragons" from your Deck to your hand

Stellarknight Constellar Diamond [SECE-EN051] Ultimate Rare Ghost Rare then activate 1 of theseSet: 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