Balance really isn't balanced at all
Want to do this more than once
Now that you have a good sense of the best artifactfall cards, don't skip Mm'menon, the Right Hand, Academy Manufactor, Myr Battlesphere, Loyal Apprentice, Thopter Spy Network or Third Path Iconoclast
10 Fiery Confluence Board Wipe, Burn and Artifact Destruction
A 5/5 with trample for six mana, Abaddon provides each spell you cast with Cascade as long as that spell's mana value is less than or equal to the amount of damage you've dealt to your opponents that turn
That means you can throw in a couple of big old cards into the mix, Commander is where those seven-mana do-nothing enchantment cards that get printed come into their own