Ermos, Titan of Fear's Might

Eminence-Ermos can attack and block from the command zone as if it were on the battlefield.
Vigilance
When Ermos enters the battlefield, mill 2 cards,
then if it didn't escape, sacrifice it.
When Ermos escapes, swap its power and
toughness as long as its on the battlefield.
Escape {1}{w}{w}{b}{b}, exile 4 cards from your graveyard.