What makes a commander precon powerful
Dispersing Orb If youve ever wanted to pay a total of 9 mana and give up a permanent to bounce something else, then Dispersing Orb is the card for you
I get collecting is half the game, but they in particular could be free and nothing about the game would change for the worse
Dualcaster Mage paired with Twinflame can create an arbitrarily large army of hasty Dualcaster copies
Five-Color Reanimator (1 player): After discarding Atraxa, Grand Unifier to Fable of the Mirror-Breaker, she can be returned to the battlefield with Goryo's Vengeance and, ideally, blinked by Ephemerate
Which I think is a good guide for figuring out where else you might want to put thisyoud probably want a commander that costs three mana or less to help ensure that the turn after you cast your commander you can start playing discounted Dragons