Myria, Titan of Fog's Contempt

When Myria enters the battlefield, sacrifice it unless
it escaped.

Whenever Myria enters the battlefield or attacks,
put a -1/-1 counter on each of up to two target
creatures.

Escape—{u}{u}{b}{b}, Exile five other cards from
your graveyard. (You may cast this card from your graveyard for its escape cost.)