Nyx Assassin

Deathtouch
Remorph {3}{b}{b} (You may cast this card face
down as a 2/2 creature for {3}. If this card is on the battlefield, you may turn this card face down as a 2/2 creature for {3} any time. Turn it face up any time for its remorph cost.)
When Nyx Assassin is turned face up, destroy target creature with converted mana cost
3 or less.