Pokemon Tower (42) [Wizards of the Coast: Black Star Promos] SM71 up to the number of

up to the number of Synchro Materials used for the Synchro Summon of this card

Set: Dark Revelation Volume 1 Card type: Continuous Trap Rarity: Super Rare Attack: 0 Defense: 0 Each time Monster Card(s) are sent to your opponent's Graveyard Inflict 300 points of damage to your opponent's Life Points

that monster's ATK becomes 0 during damage calculation only

then you can add 1 "Polymerization" from your Graveyard to your hand

if you control a "Ninja" monster: Halve the current ATK of that Special Summoned monster(s)

Pokemon Tower (42) [Wizards of the Coast: Black Star Promos] SM71 up to the number ofSet: Wizards of the Coast: Black Star Promos Type: Stadium Rarity: Black Star Promo