One category of cards we decided we shouldn't use was tournament and other play promos
Nicol Bolas, Dragon-God Tribute This is a beautiful representation of Nicol Bolas, Dragon-God
Whenever you mill yourself while Hedge Shredder is around, the milled lands go straight onto the battlefield
The deck eventually wins by either burning opponents out with a combination of Burning Vengeance plus Bump in the Night, by decking opponents with a Curse of the Bloody Tome or two, or through more traditional victory conditions such as an Army of the Damned or some big fliers
Aclazotz, Deepest Betrayal Aclazotz, Deepest Betrayal is a 4/4 with flying and lifelink, and when it attacks, your opponents discard a card, or else you draw a card for everyone that cant
The piece has some serious War of the World vibes, with the dome-headed Emrakul looming over the townsfolk