Considering just how many games in the Pokmon franchise currently exist, there are numerous possibilities for who could be featured next
These three monsters were able to Tribute themselves from the field to Special Summon one of the Sacred Beasts from various locations while ignoring their Summoning conditions, then they can banish themselves to add 1 other Sacred Beast or one of their support cards: In turn, these Sacred Beast support monsters can be easily accessed thanks to their main searchers "Dark Beckoning Beast" and "Opening of the Spirit Gates"
In this archetype, a card like Fanatic of Rhonas ramps hard, while monsters like Triplicate Titan and Krang, Utrom Warlord are welcome
Vigilance is also appreciated
Specialist shops adjust their offerings according to demand, particularly on booster boxes
Exile one of them face down and put the other on the bottom of that library