Mewtwo (20/165) [Expedition: Base Set] Water [-20] when this attacking card destroys

when this attacking card destroys an opponent's monster by battle and sends it to the Graveyard: You can detach 1 Xyz Material from this card

Set: The Legend of Blue Eyes White Dragon Card type: Normal Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Select 1 Monster Card from either your opponent's or your own Graveyard and place it on the field under your control in Attack or Defense Position (face-up)

Negate the Special Summon of a monster(s) and the effect that Special Summoned the monster(s) and destroy both

You can only use this effect of "Ghost Mourner & Moonlit Chill" once per turn

Mewtwo (20/165) [Expedition: Base Set] Water [-20] when this attacking card destroysSet: Expedition: Base Set Type: Psychic Rarity: Holo Rare Retreat cost: Colorless,Colorless