Ignoring summoning sickness on your Wizards helps you dig for whatever answer you need at a given time, or to just refill your hand once you've cast a bunch of spells right before the end of your last opponent's turn
[0]: Draw a card
Then once per turn, the player can target one of the opponents set spell or trap cards and, as long as the card is in the Field Zone, it cant be activated until the End Phase
Then it slaughtered me several times
Take, for example, the Energy Search Pro, which is a strange Ace Spec as it allows you to get one of each basic energy from your deck, which is just overkill for most decks
Despite its popularity, the One Piece Card Game does seem a little difficult to get hold of at retail in some areas, but TCGplayer generally have the best selection of sealed and single cards available for most sets