Greninja (XY24) [XY: Black Star Promos] SWSH044 you can add 1 Polymerization

you can add 1 Polymerization from your Deck or Graveyard to your hand

If this Synchro Summoned card is destroyed by battle or card effect: You can target 1 "Crystron" monster in your Graveyard

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 1200 You can Normal Summon or Set this card without Tributing

until the end of the Battle Phase

Inflict damage to your opponent''s Life Points equal to the difference between your and your opponent''s Life Points

Greninja (XY24) [XY: Black Star Promos] SWSH044 you can add 1 PolymerizationSet: XY: Black Star Promos Type: Darkness Rarity: Promo Retreat cost: Colorless