Mewtwo (3) [Wizards of the Coast: Black Star Promos] Link/Effect When this face-down card is

When this face-down card is destroyed and sent to the Graveyard by the effect of a Spell or Trap Card your opponent controls

You can send "Umi" you control to the Graveyard to send all cards in both players' hands and on the field to the Graveyard

Set: OTS Tournament Pack 17 Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 2000 2 Level 4 monsters When a monster declares an attack: You can detach 1 material from this card

Set: Pikachu World Collection Promos Type: Lightning Rarity: Promo

that target is unaffected by card effects

Mewtwo (3) [Wizards of the Coast: Black Star Promos] Link/Effect When this face-down card isSet: Wizards of the Coast: Black Star Promos Type: Psychic Rarity: Black Star Promo Retreat cost: Colorless,Colorless