Just like Umbreon before it, as well as just about all of the cards on this list, the artwork does seem to be the major factor in just why the current price is so high
The counter-removing feature isn't often seen, but it could be an efficient way to deal with some annoying targets, such as planeswalkers, or other battles, or removing -1/-1 counters, or resetting your own Sagas
How do I avoid scams when selling graded Pokmon cards locally
C Slate Street Ruffian An interesting, readily available cipher target that forces the opponent to either get hit and suffer the encoded spell, or block and (hopefully) trade and lose a card
If heads, the defending Pokmon is now paralyzed
Vargus can be a fine commander to cast multiple times thanks to its low cost, but it also serves well in the 99