The Dream Of Filianore

If Gwyn, Lord Of Cinder would enter the battlefield, sacrifice The Dream Of Filianore.
At the beginning of your upkeep every opponent sacrifice a permanent.
She is the youngest of Gwyn's four children.
Lord Gwyn gave her to the Pygmies as a gift for their
help in the war against the Everlasting Dragons, promising that he would come for her when the day
came.