In short, Hexproof replaced Shroud as the evergreen "No Targeting" mechanic because it's not only easier on new players but also easier on design space
One Piece TCG - OP-11 A Fist of Divine Speed Booster Box Japanese
Of course, to get a charge, you have to use a lot of the negotiation function of the Eye of Valusia, so it is not very efficient compared to the actions taken
Many said that the first "real" big gun is Lightning Gun in Dunwich pack and then, justify the Dunwich purchase as "staple"
In the side deck you can play many handtraps like Droll, Ally of Justice Cycle Reader or Ghost belle but I decided to play Nibiru as unique handtrap, dark ruler no more that can be useful against some rogue combo deck, twin twister, Karma cut that can be very useful in mirror matchs or against other decks that are based on a boss monster or a monster played in many copies