the best one piece card game Game: Premium Booster Box (PRB-02) – Dugz Cards The PRB ONE PIECE CARD GAME Premium

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It has two of them, plus discard like Mindwarper, Coercion, Dauthi Mindripper, and Mind Peel

While it might seem a bit limited at first, you can do all sorts of shenanigans

Sylvan Library however has a built in mechanism whereby you can use it for card advantage as well as card quality or you can let it cost you a card and just use it for quality

Much better in Tempered Steel lists or ones with higher equipment counts but generally still very playable filler even when you have no specific use for it