Unfortunately, the cards themselves are pretty unexciting from a value perspective, especially in non-foil
All 18 Ways To Stop Enters The Battlefield Effects Enter-the-battlefield effects are a surefire way to get value out of permanents without sinking any additional resources into them, but believe it or not, ETB effects didnt used to be so prolific in Magic
Thats a snarky way of saying its excellent, being a powerhouse in Limited, former Standard, and Commander, sometimes even in Cube
I havent run the numbers on uncommons yet, but with key cards like Path to Exile, Inquisition of Kozilek, Serum Visions, Terminate and Might of Old Krosa, my guess is these numbers will come in equal to or above even Modern Masters (2013), and significantly above the uncommon poor MM15
After looking at all the options, it was decided not to do a creature kill option because it could be blanked if there was no creature in play
Deathrite Shaman does a lot for little, especially when running multiple copies that can act at the same time, so its easy to see how it can break the game