A good competitive cocancer set

[Lord Windos]

Yes, you can use either Wood Hammer, Leaf Blade, or Ice Punch, but that leaves you vulnerable to the afformention Bug and Ice types, and the later does nothing against Ice types. Still, having multiple STABs is always something to consider, and carrying Grass STABs doesn't leave you wanting against Bulky Waters and Encartress. Ice Punch is good at nailing Gliscor in particular, so that is a plus as well~