They allow you to practice for tournaments by simulating a "draft" format, where you open a limited number of packs and build a deck on the spot from the cards you pull
The harmonize cost isnt particularly hard for us to get to, but well typically want to be attacking with those creatures, not using them to deal 2 damage
I Search your library for a card, exile it face down, then shuffle
If you control more monsters than the number of cards underneath this card, destroy all cards you control
Upon release of the new feature, players will be able to trade certain cards from the Genetic Apex and Mythical Island expansions, with plans currently in place to expand the lineup of tradeable cards in future updates. A Pokmon TCG Pocket representative confirmed to Polygon that cards from the new booster pack are not eligible for trading, but said The Pokmon Company plans to expand the lineup of tradeable cards