Whenever you cast a Phyrexian creature or artifact creature spell,
incubate X
(Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.), where X is that spell's mana value.
At the beginning of each end step, if a Phyrexian died under your control this turn,
proliferate (Choose any number of permanents and/or players, then give each another counter of each kind already there.).