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: Dark Revelation Volume 4 Card type: Fusion/Effect Monster Rarity: Rare Attack: 2000 Defense: 2500 "Elemental HERO Clayman" + "Elemental HERO Burstinatrix" This monster cannot be Special Summoned except by Fusion Summon

Bolster the Ice Barrier strategy from Structure Deck: Freezing Chains with even more “Ice Barrier” cards

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: Ancient Prophecy Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2100 Defense: 2000 1 LIGHT Tuner + 1 or more non-Tuner monsters While your Life Points are higher than your opponent's

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