Bartolome is most powerful as the leader of a combo deck, as he's a combo piece for many popular Aristocrat combos -- he pulls off any Viscera Seer combo except you start with part of your combo in the command zone
The second effect has many fear recovery replacement effects, and when used in preparation for a curse, it is a 1:1 exchange with a blessing, so it is not cost-effective, so it is rarely used
When it comes to finding the value of raw Pokmon cards, I find the TCGplayer website to be the best bet
It requires you to flip two coins and for each time it lands on heads, you can discard the top two cards of your opponents deck
Another highlight of the set is the variety of Pokmon, which includes both classic favorites and new faces
This allows about 150 cards that could not be your Commander previously to become your Commander