The most cost efficient are the classic Relentless Assault, which sets a benchmark for how much these effects usually cost, and Fury of the Horde
Weve experimented with sets whose primary message has been I know this doesnt sound so exciting, but trust us, when you play it, its really cool and it plays great, and we learned the hard way that its not enough to make something that makes players happy once they play it
Since you greatly benefit from having creatures dying you want more than the average number of sacrifice outlets
Card advantage is one thing, but another important element in deck building is synergy
In the past, Wizards had nibbled around the edges of the reprint problem, either printing expensive cards in limited quantities or cheap cards en masse, but with Commander 2016 (as with Conspiracy 2 ), we see the rare combination of valuable cards (and lots of them) in a huge-supply product