Remnants of humanity survived in underground Vaults to emerge to an irradiated wasteland
While three mana to Reconfigure the Chip might seem steep, it pairs nicely with a variety of other cards that let you cheat on the Reconfigure cost, and attach it to other creatures for free
It doesnt show up as much these days since creatures are a lot bigger and decks are a lot faster, not to mention that a number of other cards may have been banned
Vincent Proce's art sells this mix of living and dead incredibly, as, while some faces are clearly living or dead, there are too many who could fall either way, implying nobody would know which mouths to trust 7 Ad Nauseam Ad Nauseam is terrifying for a whole number of gameplay reasons, with entire "Adnaus" decks based around playing it for an easy win
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While this may be relevant if you, I dont know, intend to use them to make a cube, or for every single deck you have, it's more than the average player would use