Gyarados (21/98) (Cosmos Holo) (Theme Deck Exclusive) [XY: Ancient Origins] P-308_PR It gains ATK equal to

It gains ATK equal to the total ATK of all face-up "Blackwing" monsters on the field except itself

Set: Black & White: Dragons Exalted Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Set: Legendary Collection 3: Yugi's World Card type: Continuous Spell Rarity: Secret Rare Activate by declaring 1 card name

using monsters from your hand or field as Fusion Material

Set: Sun & Moon: Ultra Prism Type: Colorless Rarity: Secret Rare

Gyarados (21/98) (Cosmos Holo) (Theme Deck Exclusive) [XY: Ancient Origins] P-308_PR It gains ATK equal toSet: XY: Ancient Origins Type: Water Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless