Yes, it's a little mana-intensive at pretty much three mana per activation, but the ability to cast anything at sorcery speed while only taking up a land slot is absolutely huge
The nefarious Team Rocket will also join the roster, with 83 cards in the series coming from the villain team
Cheren lets you draw three cards
Like most Pokmon cards, the value of Kakuna depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (FireRed & LeafGreen)
After installation, the app will take some time to download card images and other game data, but the download isn't huge and should be done in ten to fifteen minutes, depending on the speed of your connection