Phyrexian Infiltration

As an additional cost to cast Phyrexian Infiltration, sacrifice a nonphyrexian creature.
Incubate 3. If this is the third time Phyrexian Infiltration has resolved this turn, instead search
your library for a Praetor creature card, put it
onto the battlefield, then shuffle.
A deck can have any number of cards named Phyrexian Infiltration.