Sea Monster of Theseus [MP17-EN231] Secret Rare RC12 you can destroy a "Six

you can destroy a "Six Samurai" monster you control instead

Set: XY: Steam Siege Type: Darkness Rarity: Ultra Rare Retreat cost: 0

Set: Platinum: Arceus Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

apply that target's effect

Set: Extreme Victory Card type: Fusion/Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 1400 2 "Gladiator Beast" monsters This card can only be Special Summoned from your Extra Deck by returning the above cards you control to the Deck

Sea Monster of Theseus [MP17-EN231] Secret Rare RC12 you can destroy a "SixSet: 2017 Mega Tins Mega Pack Card type: Fusion Tuner Monster Rarity: Secret Rare Attack: 2200 Defense: 1800 2 Tuners