I beat this guy using 4-5-1v against his crazy formation Click image for larger version.  Name: Weird formation.jpg  Views: 112  Size: 63.1 KB  ID: 6512

And now he's using this... Click image for larger version.  Name: okayyyy.jpg  Views: 101  Size: 65.1 KB  ID: 6514

I have a 1-0 agg lead. What should I do?

I play him tomorrow so he may change it.