Something crucial to the fun of the game: a place to play
These are a little awkward with your few non-vampire creatures, but most of your deck survives
While I dont consider it a powerhouse (at least compared to several cards on this list), at a purely competitive standpoint, it still offers a good counter for energy spammers or decks centered around energy-hungry active cards while youre setting up your Gardevoir EX
10 Bandit's Talent Uncommon - $0.23 A very strong Class enchantment from Bloomburrow, Bandits Talent rewards you for forcing your opponent to discard tons of cards, keeping their hand empty but yours full
Balance and Synergy An effective deck in the One Piece Card Game is a balance of strength and flexibility, with cards that work in harmony for a winning strategy
You don't have to be creative about four different types of removal that work just efficiently