Shockwave is a 2-cost Black event from One Piece The Best (ST06-014-v1), C rarity. Tracked TCGPlayer market price: $0.18 as of 2026-06-18. Power 4000. Effect: [Counter] Up to 1 of your Leader or Character cards gains +4000 power during this battle. Then, K.O. up to 1 of your opponent's active Characters with a cost of 3 or less. [Trigger] K.O. up to 1 of your opponent's Characters with a cost of 4 or less. Navy