Badass deck, i suggestEthersworn Canonist for more control, Grand Architect and Pili-Pala as another infinite any color mana combo.+1

Thanks for the suggestions man. I'll definitely use the Pili-Pala & Grand Architect combo, but I think the Ethersworn Canonist might hurt me more than it would help

Bitter Ordeal and Dire Undercurrents also combo with an (artifact) copy of Sharuum.

My original design for this deck did include Bitter Ordeal as a win con with Sharuum. I eventually took it out to make room for other combos and tutor to make the deck work more smoothly. I will admit, I never thought of Dire Undercurrents , but at this point I think anything I take out to add it will hurt the deck more than help it.

That makes sense. In my Sharuum deck (Sharuum EDH) I was more focused on just the win-combos and not the infinite mana ones, so that's why I say Bitter Ordeal and Dire Undercurrents .

You might consider Vampiric Tutor . I didn't think it would be that amazing but running it in my own deck proved me wrong. The same goes for Scroll Rack ...which I find to be especially useful if you use it then tutor right after to shuffle the cards you don't want away.

For your Sharuum - Copy of Sharuum - Blood Artist/Disciple of the Vault combo, you need Sculpting Steel to do the copying. That makes the combo infinite.

Some other staples are Arcum Dagsson and Transmute Artifact .

I have a Sharuum deck, but it's very different from yours. I have mostly artifact creatures, and it takes advantage of Scourglass (played during upkeep with Master Transmuter ) and Mycosynth Golem , which are both amazing.

Thanks for the suggestions! Ill definitely put a Transmute Artifact in there if I can get my hands on one. And for the Sharuum combo, Copy Artifact , Phyrexian Metamorph , and Sculpting Steel would all work to make the combo infinite.

I should just set up a script that sees every deck with Sharuum as the commander and autoposts Tawnos's Coffin

When you're not worried about removal hitting Sharuum, it's free bounces of anything with good ETB abilities (most especially Sharuum) and it's 3 mana to save her instead of recasting her when removal comes looking. It is just a very synergistic card for the deck.

Thanks for the suggestion Devonin! I don't deny that card would go amazing in this deck, but due to my budget I can't afford it add it to the deck right now. I will definitely keep it in mind though when I have more to spend on additions and improvements for the deck.