Barry, Cheren, Tierno, Hau, Hop, and Nemona (all rivals from their respective games) just draw 3 cards with no additional effect, while others have extra effects on top of the 3-card draw, such as Bird Keeper switching the player's active Pokmon
Pokmon from the latest Pokmon game, "Pokmon LEGENDS Z-A," appear on the GariGarikun packaging
Sure, there was far too much monetisation in the form of multiple different currencies, and the battles lacked a much-needed strategic edge, but for a mobile game you can largely play for free, it scratched an itch that kept me from ripping overpriced real-world packs and connected me with a lot of friends doing the same
This is one of those cards that I have a strong personal connection to, and as a player and as a designer, I think that it serves as one of my kind of boundary cards
With these two card types being very important for setups, Arven makes it easier to access them as soon as you can start playing Supporters
Many of the most valuable cards in Pokmon 151 are the Secret Rares, which include full art illustrated alternate versions of other cards