Regardless, we do now know what the next Lorcana set is and its called Archazias Island
Mono-black knights is far from the strongest deck you can build, but if you want a fun deck on a budget, you can make it work
Since Zoodiac does not have that many Main Deck Monsters, Zoodiac is the most splashable Xyz Archetype in the game
To increase its consistency, it is ideal to add two copies of Snorlax to the deck, as well as additional cards that speed the flow of cards from the deck to your hand , such as Professor Research - Professor Oak (draws two cards) or Pok Ball (adds a Basic Pokmon to your hand)
Party Thrasher lets you exile cards yourself so you don't have to rely on other spells to start convoking noncreature spells
You can actually tap Key to the City to help cast your spells, turning it into an efficient card draw engine