In this instance, you DEFINITELY don't want to be siding Overworked in. However, I'm not sure what you would add in place of it. But, try to fit in at least 1-2 Fire Fist Dragon, maybe over some Cardcar. Cardcar is nice, but you're already maining triple Upstart and have plenty of draw power in that way. And now, if you add Dragon, you could side 1-2 Fire Formation - Tensen, which is a psuedo Horn of the Phantom Beast. It's nice to keep your Bears or Gorillas on the field. If you'd rather main them, I would side the 3rd Duality and a Mystical Space Typhoon. Having that Gyokkou really makes up for not having the 3rd MST game one, and you're also running triple Lance.