Elesh Norn, Ruler of All

Eminence
Whenever you cast a Phyrexian, incubate 5
{t}{p/w}{p/w}{p/w}{p/w}{p/w}: create x phyrexians with power toughness 5/5 for each phyrexian on the battlefield
{t}{w}{p/w} exile target creature, its controller
incubates 3
{t}{w}{p/w}{p/w}: sacrifice a creature, incubate
x where x is target creatures power