When Universes Beyond was first announced, Wizards of the Coast said the mechanically unique cards would be restricted from the games Standard format, which generally allows cards from the most recent sets
Sometimes the cards won't register when you try to place them so you can drag them onto the field but it just return to the hand
A lot of the cards (and the monsters associated with them) from the series are worthy of dissection, but the overwhelming Gandora, the Dragon of Destruction is especially fascinating
The Fossil set, in comparison, focused on prehistoric Pokmon revived from ancient remains, oddities such as Ditto and the suite of legendary creatures featured in the first generation
I also think it fun to observe the "evolution" of Kagemaru Himeno's style over the years
We will explain the distinct strengths of each company clearly so you can choose the option that aligns perfectly with your hobby goals.