Atraxa,God of Machines

Creatures you control are Phyrexians
in addition to their other types
Phyrexians you control gain Infect and
+X/+X where is is the number of Praetors you control
Whenever a Creature an opponent control dies,
Return it to the Battlefield under your control,
It is a Phyrexian in addition to its other types
Flying, vigilance