mtg commander deck structure Building a - Part Two: How to build a Magic:

This category tends to include most combat tricks and most serviceable creatures (combat tricks always compete for space with creatures and removal, so I rate them lower), as well as cards that can be strong out of the sideboard

Although Limit Break is about even with Revival Trance out of the box, it lacks some of the same potential for improvement with upgrades

That means that you don't need to run this with Zombies since he brings his own, and instead can be a unique Aristocrats build, or a Zombies-matter builds or just a legendary matters brews

Repudiate / Replicate One of the good things about split cards is allowing the user to play narrow effects, and fewer cards are narrower than Stifle (Repudiate)

The body you get for the cost is already pretty good, and preparing for the spell it can cast is not too hard to do in this deck