There are 32 borderless character cards from the main set, with 4 uncommons (two of which are double-faced cards), 20 rares, and 8 mythic rares
So, what happens here is that Slaking can be an excellent attacker by combining with Arceus VSTAR and Path to the Peak because, suddenly, you are forcing your opponent to draw a counter stadium or, otherwise, all their VSTAR Pokmon are going to go to the discard pile
All the cards featuring Astorian looking thirsty are pretty pricey too, however, so I wonder if we can expect Archmage's Charm to be the most desirable card here
For example, if you control The Ozolith and Host of the Hereafter when a creature you control with counters on it dies, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature