Yyrgo, Bane of Phyrexia

Vigilance, hexproof, haste, trample.
When Yyrgo, Bane of Phyrexia enters the battlefield, exile all Phyrexian creatures and artifacts. No Phyrexian cards may be played as long as Yyrgo, Bane of Phyrexia is on the battlefield.
{4}{w}{w}: Yyrgo, Bane of Phyrexia gets +2/+0 and becomes indestructible until end of turn.
Even Yawgmoth himself trembles upon hearing his name.