Mystic Forge gets a nod too, and hey, it was also restricted
Having only weak small dorks because I am black and/or blue is the other more common reasons
It has definitely changed over time gone are cards like Snapcaster Mage and Street Wraith, which used to be considered staples of the archetype, and instead we see the deck utilize many of the best cards printed in the past two years such as Dragons Rage Channeler, Ragavan, Nimble Pilferer and Lurrus of the Dream-Den
However, while I think the front is more important than the back in two player games (especially in limited), in Commander, I think the back is the important part
That much power is very hard to disagree with
Its still hard for me to believe that a single Mutavault is worth more than several pieces of the Power 9, but it is