Stellarknight Delteros [DUEA-EN053] Secret Rare BT9-085 you can substitute this monster

you can substitute this monster for 1 Fusion Material Monster that lists an Attribute

Special Summon 1 Level 8 Dragon monster from your Deck

Special Summon 1 "Mythical Beast" Effect Monster from your Deck

) [When Attacking] [Once Per Turn] If you have 3 or more security cards

Set: Across Time Card type: Tamer Rarity: Uncommon Play Cost: 3 [Start of Your Main Phase] If this Tamer has 2 or fewer cards under it

Stellarknight Delteros [DUEA-EN053] Secret Rare BT9-085 you can substitute this monsterSet: Duelist Alliance Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2100 3 Level 4 monsters While this card has Xyz Material, your opponent cannot activate cards or effects when you Normal or Special Summon a monster(s). Once per turn: You can detach 1 Xyz Material from this card, then target 1 card on the field; destroy it. If this card is sent from the field to the Graveyard: You can Special Summon 1 "tellarknight" monster