Grass Energy (104/109) (2004 2005) [Professor Program Promos] Savage Strike You can only use this

You can only use this effect of "Brionac

Set: Video Game Promotional Cards Card type: Effect Monster Rarity: Secret Rare Attack: 3500 Defense: 3000 This monster can only be Special Summoned by offering "Petit Moth" as a Tribute on the 6th of your turns after "Petit Moth" has been equipped with "Cocoon of Evolution"

Increase the ATK fo this card by 300 points for each card in your Graveyard that includes "Elemental Hero" in its card name

Set: XY: Generations Type: Colorless Rarity: Uncommon Retreat cost: Colorless

Set: XY: BREAKpoint Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Grass Energy (104/109) (2004 2005) [Professor Program Promos] Savage Strike You can only use thisSet: Professor Program Promos Type: Grass Rarity: Promo