Bot matches are good for testing your deck, but wont reward you in the same way (though you can get quest progress from them)
To play a Trainer, just put it into play from your hand and follow the instructions, even if they contradict rules, such as allowing an Asleep Pokmon to retreat
This version of Urza fills a very specific gap that mono-blue Commander decks often fall into
No hidden fees, no upcharge for the magnetic case, no surprise costs at checkout
Poxwalkers feels like an instant staple that has a great interaction with the ever popular Gravecrawler and a few other cards, so Im definitely expecting it to be an instant staple
That means it cant be responded to making it a potential save for a key creature or a clever untap trick