The Summary Dismissals might just be too slow for the maindeck, but I think Emrakul, the Promised End is still going to help shape the format
If you look closely at the left and right edges of the card, youll see that in Unlimited theres a solid black line and a slightly lighter gray line just inside it
The random nature of what you can find (or if you hit anything at all) makes this card much more fun in a casual setting, especially for your opponents
I'm not gonna stand idle while some internet hero wants to try to chump me out on a thread that I started
Id be more inclined to play Regna, the Redeemer as a creature in a lifegain deck that also wants creatures, like with Soul Warden-type cards
If you have fewer cards in your library than what youre looking at, you win the game