Since this card and the other most expensive Roaring Moon cards are so new, they're fairly easy to find in NM condition, and it's usually worth investing in the best possible condition if you're concerned with your card's long-term value
Alternatively, you can browse by Pokemon or character if you really want to see all the artwork possible for Slowpoke, for example (and why wouldn't you?), or you can admire the work of specific artists by looking through collections of their pieces
Read the preview article from NME.com.
There are some other general things that are important to consider, however, the two points Ive made here should give you a broad enough outlook that we can hit the ground running
Repetitive play patterns do not make a good format
So, today, we're adding significantly more Game Changers