After trying it out quite a bit I've been really impressed by MCamerupt. It may be tricky to actually send it in, and its low speed is a pretty noticable problem, but god damn it hits hard. Its defensive typing is not bad at all either, giving it the ability to abuse Electric types, particularly Magnezone who becomes a massive liability against MCamerupt teams. Its bulk is actually pretty solid too, and it usually lives quite a few hits before going down, which basically implies at least one kill. It's not a bad rock setter, but I actually prefer Wisp in the last slot because fuck Azumarill. But I'll be honest, almst all of your time is just spent spamming Fire Blast and sometimes clicking Earth Power, to the point where running Flamethrower for an accurate Fire STAB doesn't seem like a terrible idea. You can also add it to the growing list of Pokemon that take advantage of Ferrothorn very easily, not even being affected by Twave and even if it did it wouldn't care (though it can actually move before it if it win the speed tie lol). This thing is just really underrated, a lot people seem to think it's MAbomasnow 2.0 when it's clearly way better than that. Once again, give it a spin.
Finally someone in the same boat as me. Was about time. I really like M-Rupt as a wallbreaker+potential sweeper on TR teams, or even as a tank in bulky offense. 20 speed might be pathetic outside of TR but 70//100//105 bulk with 120/145 Attacks, Sheer Force and that dual STAB is no joke. Unfortunately having Solid Rock before megaevolving, otherwise a great ability, won't help much with those weaknesses (until you switch into something like... Glalie's bulldoze, I guess?).
Outside of TR, 3 attack consisting of either Fire Blast/Flamethrower, Earth Power/Earthquake, and Rock Slide/Ancient Power + utility move (SR, wow, Yawn...) could make an interest tank+momentum changer. Special Attacks are obviously going to be much more powerful but as you will basically be able to afford a Quiet/Brave nature you could slash a physical move if you have to dent a special tank/wall not name Chansey badly.
However, inside Trick Room, Camerupt has some potential. Beside being more powerful and with a way better typing than Abomasnow, it can afford to run another annoying move in sheer force Iron Head (something I realized breeding Numel) for fairies. Moreover, if you can safely set up trick room and then send in Camerupt (Prankster TR/UTurn/stun spore/utility move Whimiscott could do the trick, and also shares great type sinergy, just throwing it out), you might as well as get fancy and (another thing I noticed breeding) run Growth and man, from there it's going to hurt as hell. Will require great prediction, support and timing but could represent an interesting gimmick.
We're not facing the second coming of Mega Gengar for sure, but a certainly solid mon that a lot of people won't prepare for (its trait are pretty uncommon).
