Shirrand, Phyrexian Marauder

When Shirrand, Phyrexian Marauder enters the battlefield or dies, mill three cards.
Shirrand, Phyrexian Marauder's power and
toughness are each equal to the number of
artifact cards in your graveyard.
Whenever a creature an opponent controls dies,
you may return target artifact card from your
graveyard to your hand.