>>27461346The Maison will give the Haxorus a Choice Scarf. You will never win. Nothing can beat the cheat. I think the best chance you've got is Sheer Cold No Guard Focus Sash Ninjask comboed with Wonder Guard Air Balloon Electrode. Ninjask can eat a Mold Breaker attack on its switch-in turn, Protect the second one, and outspeed from there. Electrode can switch in on Sturdy mons that Ninjask can't OHKO. Together, you might be able to Jew the system.
Even then, all it would take would be an AI team of Sturdy Stealth Rock setter, Mold Breaker, second Sturdy mon.