Again, I wouldn't describe Pokmon TCG Pocket as the worst sinner of this type of issue, mostly just that it can be a bit overwhelming at first, and of course knowing that its intended to add to the addictiveness of the game can be a bit iffy, but ultimately it isnt too hard to ignore aspects you dont care about and simply enjoy the ones you do
I personally do really like Kyogre, and plan to use him in a fun deck with Feraligatr Prime and Kyurem NVI
What competitive formats is Selvala, Explorer Returned played in
Huntmaster of the Fells I know, I know, I just said Werewolves don't have a monopoly on transformation, but they're really good at it, and this particular Innistrad Werewolf is about as good as it gets
Collect and catch em all
Be sure to check in the Wonder Trades to see if there are any cards available that you need to complete the task