Subsets
Starting with "Lost Villains" and "Puppet Show" in the World Games Saga, Subsets have become an integral part of the card game. Strangely enough, the Dragon Ball GT Collectable Card Game only showcased one Subset, and there have been none to date in the Dragon Ball Z Collectable Card Game. The Subsets' main drawing point was that they showcased characters from the movies, or ones that had not been seen in a set for some time.
Read more about this topic: Dragon Ball Z Collectible Card Game