The Pokmon V cards, such as the Charizard or Pikachu V cards, have abilities and attacks that are stronger than the Pokmons original versions, but they grant opponents more prize cards if they are defeated
The artwork is interesting, and feels pretty vintage compared to the full art trainers we saw in Pokemon Sword and Shield
When working in conjunction with other vampires that buff other Vampires, such as Captivating Vampire, Olivia decks are capable of stealing creatures and making them more powerful than they were under their owner's control
But the fact that it was printed in 2023 means you get a few more bonuses for your investment
Whilst it could certainly benefit from additional mechanical complexity, more cards and tools to help adjust the pace (at the moment, games move very quickly), many of these problems are indicative of its infancy
It's also both land types, so it's fetchable with stuff like Three Visits