I was happy for Zac, though, because I know he is going to do many great things
Paying 1 mana for information and virtually unrestricted targeted discard will always be good, especially in a metagame thats so dependent on having engines like Greasefang combo or angels Collected Company/lifegain
He combines a lot of the best parts of the Boros Advantage Engine (patent pending) with Orzhov reanimator technology and the chance to use Exalted to its full potential
The commander is a Vigilant 1/4 creature on its front side with a mana dork effect that extends to other Legendary creatures its controller has in play
Sure, copying spells isn't exactly brand-new tech, but getting copies of creature spells on the stack is relatively newer space, and the fact that Volo has a built-in "drawback" to achieve that - you have to spread your creature types around to get the value - pushes deck-building away from the usual suite of 40 value staples and forces deck-builders to go a little deeper into the tank
Black has a lot of great one-sided graveyard hate