Gyarados (21/98) (Cosmos Holo) (Theme Deck Exclusive) [XY: Ancient Origins] 228 during either player's turn

during either player's turn

Must first be Special Summoned with "Rise of the Snake Deity" and cannot be Special Summoned by other ways except by its own effect

Set: Stardust Overdrive Card type: Effect Monster Rarity: Super Rare Attack: 400 Defense: 1400 This card gains 300 ATK for each "Lightsworn" monster with a different name in your Graveyard

This card's ATK is equal to the combined Levels of the sent monsters x 300

Target the attacking monster

Gyarados (21/98) (Cosmos Holo) (Theme Deck Exclusive) [XY: Ancient Origins] 228 during either player's turnSet: XY: Ancient Origins Type: Water Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless