Under $20 Aurelia, the Warleader I had an Aurelia, the Warleader deck five years or so back, and it was a lot of fun, but it was clunky and a bit underpowered compared to what other people were playing due to the Boros color combination being the weakest in Commander
You dont want to get shut down with Krosan Grip and then miss your opportunity
Two Energy for every artifact you cast, combined with a way to bring some of those artifacts back to your hand to cast them again can net you a lot of Energy
I can already see the possibilities
Universal buffs like Coat of Arms can also potentially work in your favor, but you must make sure youre able to goad large numbers of creatures to make it work in your favor
In fact, one game I played in draft had two fliers grow to deal 15 points of damage with a couple of pump spells taking a game I thought I was winning the next turn with green dudes