If the activation of this effect goes through, your opponent will need to get fresh cards on the field
Furthermore, almost all of them have incredibly low pull rates, sometimes in the range of nearly 1/1000
From Twitter initial comments, I did research and found this article written by Chase Andres ORIGINAL: I decided to write an article this week on the premise What is the most absurdly expensive deck that I could play a game of Magic with and still be competitive?
There are interesting cards for Commander like Gollum, Scheming Guide, Sauron, the Lidless Eye, and The Balrog, Flame of Udn
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The worst part about this is the cost of the deck, unless you've already collected nearly the whole deck, the gem expense is pretty steep