Im inhaling that cope shit DEEP
If he goes to the GY, he can shuffle back up to 3 "Super Quant" cards
Halvar, God of Battle / Sword of the Realms Sword of the Realms can be a good way to keep one of your creatures relatively safe, or it can serve as a way to bounce a creature back to your hand when it dies so you can reuse its ETB ability
Then the LTB will resolve, allowing the opponent to cast their spell for free, except the very first ETB ability has yet to resolve so there is no spell exiled yet
If youve got a blue deck with artifacts, Urza just makes it better
Originally, I hadnt been able to make a version of the deck that I had ended up liking, but after seeing what others had done I found out the deck is actually pretty good and even has some pretty good match-ups across the board