Then if this enchantment has no hope counters on it, sacrifice it and you gain 4 life
(Create an Incubator token with three +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) Whenever a Phyrexian you control dies, surveil 1
Countdown to endure 20 turns, more certainty than Exo who accelerates the draw
Most notably, perhaps, it represented Magics first block (or one large set with two related smaller sets following it), which dominated the design and play of Magic for over 20 years
I would think Breakthrough is better because of the double use and negation during your turn, but I don't know
Consider some of the vicious things you can run: Elspeth, Sun's Champion, Enter the Infinite, Omniscience, Darksteel Forge, or Dragonstorm