Yawgmoth, Father of Machines

Infect, Menace
Other creatures you control have infect

Whenever a creature dies, if its toughness was 1 or less return it to the battlefield under your control,
it’s a Phyrexian in addition to it’s other types

Whenever a Phyrexian enters the battlefield under your control put two +1/+1 counters on each Phyrexian you control