I have to agree heavily on what Kingler said. Your team is very weak to strong fighting types like Conkeldurr, Breloom, and the rare Scarf Moxiecross. Especially Heracross as it can OHKO or 2HKO your entire team (Megahorn for Uxie, Night Slash or Shadow Claw for Gengar.)
As a result, I propose...