With a sacrifice outlet, Jadar, Erdwal Illuminator, and Academy Manufactor, you could make enough artifacts each turn to sacrifice and take another quite easily
Belles standard card variant isnt particularly cheap either, with the non-Enchanted card selling for around $22
While many cards seem good and worth playing both in the 99 and as commanders, Badgermole CubBadgermole Cub takes the crown: It's cheap and straight to the point
Shortly after the major MTG Lorwyn Eclipsed spoilers began, the Commander precon decklists were also revealed
I dont know if theres as much here for veteran players looking for value or competitive decks, but I think it is a fun activity to get together with your playgroup and try these out for a more casual game
Supply & Demand Supply and demand curves are some of the most fundamental concepts of economics