Prototype allows us to pick from two casting modes: do we want to pay an exorbitant amount of colorless mana for a big splashy robot, or a more reasonable amount of colored mana for a miniature, Hotwheels version of that same robot
See, even the very worst Masters sets do a pretty good job lowering the price of the reprinted cards
I have grabbed tons of my favorites or noteworthy cards and then ordered them for multiple Top Ten Articles from that set, and then I sat on them for a day and came back and then changed the order because I was obviously stupid with my rankings, and then fixed them up
You have to also consider the mana cost of the library manipulation spells and the curve of the costs in your deck
Its not at the top of the list because its so hard to cast, but its still nuts
'Everybody Lives!' is a card that's seen some early hype