If you wanted to replicate that Draft experience in Cube form, you'd usually build a Cube consisting of one copy of every rare and mythic, two copies of every uncommon, and three copies of each common from DMU
Check out our list of all One Piece Card Game sets to see whats already been released, and what is (upcoming pun very much intentional) on the cards!
In the end it was worth it to decks that benefit the most from its presence, especially with Land Tax or Tithe, and every now and then someone else got to use it
Classic decks, like Brian Hackers 1998 World Championship deck, ran two Armageddons in the sideboard in addition to the four Cataclysms in the main
vehicles, mounts, convoke, conspire, etc.) and youre already halfway down the chimney to your goal