Gyarados (20/98) (Cosmos Holo) [XY: Ancient Origins] Fusion/Tuner Monster Set: Hidden Arsenal 2 Card

Set: Hidden Arsenal 2 Card type: Effect Monster Rarity: Super Rare Attack: 2000 Defense: 1200 This card cannot declare an attack unless you return 1 card you control to its owner's hand

When a "Mayakashi" monster(s) is Special Summoned to your field from the Extra Deck

Set: Ancient Sanctuary Card type: Effect Monster Rarity: Ultra Rare Attack: 1700 Defense: 1600 You can Special Summon an opponent's monster that is destroyed and sent to the Graveyard by this card as a result of battle to your side of the field in face-up Defense Position

Set: Gold Series 4: Pyramids Edition Card type: Effect Monster Rarity: Gold Rare Attack: 300 Defense: 200 This card cannot be destroyed by battle

1 Xyz monster that is 1 Rank higher than this card

Gyarados (20/98) (Cosmos Holo) [XY: Ancient Origins] Fusion/Tuner Monster Set: Hidden Arsenal 2 CardSet: XY: Ancient Origins Type: Water Rarity: Promo Retreat cost: Colorless,Colorless,Colorless