Greninja GX (24/131) [Sun & Moon: Forbidden Light] Legendary Collection 2 then inflict 300 damage to

then inflict 300 damage to your opponent for each card sent to the opponent's GY by this effect

Set: Speed Duel: Tournament Pack 2 Card type: Effect Monster Rarity: Ultra Rare Attack: 3500 Defense: 3000 Cannot be Normal Summoned/Set

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 1900 Activate this effect only during your Battle Step

so you can use existing cards like Heritage of the Chalice to make your Deck even stronger

Greninja GX (24/131) [Sun & Moon: Forbidden Light] Legendary Collection 2 then inflict 300 damage toSet: Sun & Moon: Forbidden Light Type: Water Rarity: Ultra Rare Retreat cost: Colorless,Colorless