Halbarad

Morph {x}{g/w}{b} (You may cast this card face down
as a 2/2 creature for {3}. Turn it face up any time for
its morph cost.)
When Halbarad is turned face up, choose one —
• Creatures you control get +X/+X until end
of turn.
• Destroy target attacking creature with
converted mana cost 3 or less.