Its a way of expressing oneself, furthering their collections element of uniqueness
I just rinsed it for all that I could
But there are implications to trying to finish a deck without proxies
If the AI has decided to try to propose a trade, it will look at the random trade cards the player can trade away and the fixed trades that are possible
We've not got a release date though, so you'll have to hang tight for more news on when you can actually play it
Unfortunately, Pokemon TCG Live seems to be doing away with that, as a brief support article on the Pokemon website plainly states, "Players will not be able to trade cards with other players within Pokmon TCG Live." The decision to remove trading from Pokemon TCG Live is a head-scratcher for sure, and one that we can only hope The Pokemon Company reverses before launch