Gum-Gum Giant Gavel is a 1-cost Blue event from Premium Card Collection -Best Selection Vol.2- (055), AA rarity. Power 4000. Effect: [Counter] You may trash 1 card from your hand: Up to 1 of your Leader gains +4000 power during this battle. Then, you may trash 2 cards from the top of your deck. [Trigger] Return up to 1 Character with a cost of 4 or less to the owner's hand. East Blue/Straw Hat Crew Illustrated by Studio Vigor Co. Ltd