The cost of a tier one or tier two deck more than tripled in a two week time frame at the start of October, coinciding with the release of Battle for Zendikar
You can also play into an aristocrats strategy, where you sacrifice your own creatures for your benefit, using your Humans as a resource to drain your opponents' life totals without even going to the combat step
For example, if Ephara is dealt what would be lethal damage and later loses indestructible (perhaps because you lose control of some enchantments), it will be destroyed the next time state-based actions are performed
*10 cards per pack
There are also a bunch of versions of the basic interaction with this, Myr Turbine, or another other artifact token maker with an artifact sacrifice outlet like Blasting Station
The Epic cards may not feature new artwork, but the glimmer and shine on them and the open air card frame will still make them something worth pulling