Grookey on the Ball (003/005) [Miscellaneous Cards] RT2 during your opponent's Standby Phase:

during your opponent's Standby Phase: You can inflict 300 damage to your opponent for each card your opponent controls

Set: EX: Holon Phantoms Type: Water

You can remove all Wedge Counters from your opponent's monsters to reduce the ATK and DEF of each monster that had a Wedge Counter to 0 until the End Phase

Set: Hidden Arsenal Sealed Release Date: 2022-01-27 Learn the legends and experience the story from the beginning with Hidden Arsenal: Chapter 1

Set: EX: Unseen Forces Type: Colorless Rarity: Rare Retreat cost: Colorless

Grookey on the Ball (003/005) [Miscellaneous Cards] RT2 during your opponent's Standby Phase:Set: Miscellaneous Cards Type: Grass Rarity: Promo Retreat cost: Colorless