Mewtwo (052) [Scarlet & Violet: Black Star Promos] RC31 Once per turn: You can

Once per turn: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position

Set: Black & White: Emerging Powers Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

destroy all Defense Position monsters your opponent controls after damage calculation

It cannot change its battle position or declare an attack until the end of your opponent's next turn

Set: XY: BREAKpoint Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Mewtwo (052) [Scarlet & Violet: Black Star Promos] RC31 Once per turn: You canSet: Scarlet & Violet: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless,Colorless