Mew (8) [Wizards of the Coast: Black Star Promos] Supporter An Xyz Monster that was

An Xyz Monster that was Summoned using this card on the field as Xyz Material gains this effect

you can look at 1 face-down card that's been Set by your opponent as long as this card remains face-up on the field

You take no Battle Damage from battles involving this card

The ATK and DEF of this card are each equal to the number of Spell Cards in your opponent's Graveyard x 500

Yugi’s Legendary Decks contains three different Decks used by the “King of Games” himself

Mew (8) [Wizards of the Coast: Black Star Promos] Supporter An Xyz Monster that wasSet: Wizards of the Coast: Black Star Promos Type: Psychic Rarity: Black Star Promo Retreat cost: Colorless