Mewtwo (10/102) (Shadowless) [Base Set 1st Edition] BW37 change them to face-up Defense

change them to face-up Defense Position

If there is no monster on your side of the field with ATK greater than or equal to the ATK of the selected monster

Set: Structure Deck: Gates of the Underworld Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Tribute 1 DARK monster with 2500 or more ATK

or destroyed by an opponent's card effect

When your opponent would Special Summon a monster(s) (Quick Effect): You can banish 3 monsters from your GY

Mewtwo (10/102) (Shadowless) [Base Set 1st Edition] BW37 change them to face-up DefenseSet: Base Set 1st Edition Type: Psychic Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless