They don't want to trade their 3/3 flyer with your Strix, or their 2/4 Reach creature with your Rats
This is a massive deal for assertive, multicolor archetypes that dont want to play tapped Lands
The Emperor, Hell Tyrant Yawgmoth, Thran Physician, Magics greatest villain, has reappeared as Final Fantasy IIs overarching antagonist
I realize that this sounds a lot like unfair combo decks but the difference is that the mana an unfair combo generates is temporary to produce an instant win where Ramp's advantage is turned into permanents
Ill also give my recommendations for the top 13 uncommons in Foundations Sealed or Draft
Sure, theres an argument to use Perceived Barrier to Entry for all super-expensive cards, but that can be a path to difficulty