While this one requires one mana to activate for each Creature you wish to target, Unnatural Selection offers the benefit of changing your opponents' Creature types
At the beginning of each players upkeep, that player sacrifices a permanent for each soot counter on Smokestack
Now, you can pick up the decks as part of one heavily discounted bundle thanks to a current Amazon sale
It's very easy to wind up drawing 2, 3, 4 cards per enchantment with all of the Mesa Enchantress effects in these decks which results in a hand with a bunch of extra lands, and putting then directly into play can offer massive ramp potential
Graded Population Report: Tidus, Yuna's Guardian [Foil] #5 Visualize the distrbution of grades in the chart
I know that you are reading a Magic column, not a "Maths R Us" column