Before even talking about the other decks in Commander 2018, I have to say that Subjective Reality is the weakest of the four
When facing Temur Roar, you have to follow up with one-two removal spells as soon as Ureni is cast
For four mana, you can tutor up the Vampire and immediately sacrifice it to defeat the battle and add an 8/8 Zilortha to the battlefield
Don't fall into the trap of calling counterfeit cards proxies because it helps normalize their use in the community and reinforces their acceptability, which is a bad thing for the game, its players, local game stores, and Wizards
Non-copy effects that have already applied to the other creatures will continue to apply to them
Sites like eBay and Amazon arent ideal for selling collections either, and are more suited to single-card purchases