Blue-Eyes Twin Burst Dragon (Green) [LDS2-EN019] Ultra Rare SWSH037 you can discard 1 "Gravekeeper's"

you can discard 1 "Gravekeeper's" monster instead

then target 1 "Winged Kuriboh" you control

Set: King's Court Card type: Xyz/Effect monster Rarity: Ultra Rare Attack: 2300 Defense: 1700 2 Level 4 Dinosaur monsters When another monster's effect is activated (Quick Effect): You can detach 1 material from this card

Set: Star Pack - Battle Royal Card type: Xyz/Pendulum/Effect Monster Rarity: Starfoil Rare Attack: 3000 Defense: 2500 2 Level 7 Dragon-Type monsters If you can Pendulum Summon Level 7

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

Blue-Eyes Twin Burst Dragon (Green) [LDS2-EN019] Ultra Rare SWSH037 you can discard 1 "Gravekeeper's"Set: Legendary Duelists: Season 2 Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500 "Blue Eyes White Dragon" + "Blue Eyes White Dragon" Must be either Fusion Summoned, or Special Summoned by sending the above monsters you control to the GY (in which case you do not use "Polymerization"). Cannot be destroyed by battle. This card can make up to 2 attacks on monsters during each Battle Phase. At the end of the Damage Step,