Daria, Daughter of Narfi

When Daria, Daughter of Narfi, is turned
face up, the creature with the highest toughness you don't control is destroyed. It
can't be regenerated.
Morph {2} {g} (You may cast this card face
down as a 2/2 creature for {3}. Turn it face up
any time for its spellmorph cost.)