I have seen many themes suggested already, ranging from +1/+1 counters (similar to Experiment KrajExperiment Kraj) to the -1/-1 counters theme (similar to Hapatra, Vizier of PoisonsHapatra, Vizier of Poisons), and even a CloneClone and Shapeshifter theme, just playing weak creatures with beneficial abilities that become absurd when transferred onto Volrath's 7/5 body
These could all be paired with the initial 15 two-color partners
I even managed to win a couple of times, and that is rare for me when it comes to most things in life, but Lorcana is easy to understand and positively devious to master
Shiny Charizard's black color scheme is one of the best in all of Pokemon some fans may even think it improves the design
Pokemon XY Break Evolution Arcanine Box Set Arcanine BREAK is ready to pounce in the Pokmon TCG: BREAK Evolution Box Featuring Arcanine
Adding a tank or two will give you more room to prepare your cards, we recommend using Snorlax due to its high HP