Based on previous set releases, the app will receive an update on the previous day (April 29th), with the new cards going live at approximately 2 AM ET on April 30th
You can create and share your own decks, but the interface is quite basic, and the tutorial system is weak, making it harder to learn
Not every deck that can run Kricketune will run it, but decks that do will likely include 2 copies of the card, in addition to 2 copies of Kricketot, the Basic Pokmon
They dont have the capacity / expertise to authenticate cards which is why they launched the authenticity guarantee service in the US in the first place
The foundation of a great reputation is honesty
Fighting results in a nonland permanent going back to its owners hand, whereas finding a crossing grants a creature +1/+0 until end of turn and stops them being blocked, too