Decidueye GX (SV47/SV94) [Sun & Moon: Hidden Fates - Shiny Vault] Fusion/Effect Monster Must first be Special Summoned

Must first be Special Summoned (from your Extra Deck) by sending the above cards from either field to the GY

Belle of the Underworld" once per turn

•If damage calculation is performed involving this card

if a monster you control attacks

Set: Ancient Sanctuary Card type: Normal Monster Rarity: Common Attack: 900 Defense: 0 The mummy of a soldier that has been guarding the royal family for thousands of years

Decidueye GX (SV47/SV94) [Sun & Moon: Hidden Fates - Shiny Vault] Fusion/Effect Monster Must first be Special SummonedSet: Sun & Moon: Hidden Fates Shiny Vault Type: Grass Rarity: Ultra Rare Retreat cost: Colorless,Colorless