While self-exploring variations in the Sodium attack. I conjured up a cheeky bishop sac:
5...f6 wins a piece.
I would even take Black in the final position. Maybe exd4 or Nxd4 there, as you can't recapture on account of Bb4+ Qd2 Qxd2 checkmate.
5...f6 6.Nxc7+ Qxc7 7.Bd2 White is down in material, and will have a tough game fending off the weakened queenside.
While self-exploring variations in the Sodium attack. I conjured up a cheeky bishop sac: