Feel free to comment at the bottom if you have a different opinion.
You can either build around a legendary creature and try to find cards that will complement this creatures abilities (referred as top-down building) or you can build around a mechanic/theme or combination of both that you find interesting and search for a Commander that will best fit to lead the deck (referred as bottom-up building)
The thrill of the pull is unmatched, but certain sets can yield especially exciting moments
Kiln Fiend has been disappointing in every way when Ive tried it in the past, but a small dip in the amount that spells pump it in exchange for flying and haste is a significant upgrade
It has no mana cost, and thus its mana value is 0
Still, while the price for the new printing is a far, far cry from its original run, the foil etched version is still nothing to scoff at