Not literally, of course
For the majority of its history there were two types: the Core Set and the themed expansion sets
Eggman, is a mechanical genius determined to conquer the world of Mobius by turning all its residents into robots
Ulamog, the Infinite Gyre As a massive indestructible creature with a good removal spell stapled onto it, Ulamog, the Infinite Gyre is definitely worth its high mana cost
It does take points to move characters (for example, only one character can be moved to a single Motunui location per turn), however said points are unique to the Location, and not tied to your store of Ink, so moving characters doesnt impact how many characters you can actually play
Paired together, though, Merlin and Madam Mim form some of the strongest combos in Rise of the Floodborn