Muk! My favorite poison type.
Sadly his Special attack is crap, and has to be maxed to hit hard enough to do anything, and all of his rain support, comes from Special moves. Although he does get that nice Fire resistance like every other pokemon you can use. Oh well, he still gets Thunder.
Muk (M) @ Black Sludge
Trait: Sticky Hold
EVs: 56 HP / 200 Def / 252 SAtk
Modest Nature (+SAtk, -Atk)
- Hidden Power [Water]
Thunder gets some coverage going for him, and has 100% accuracy in the rain. HP Water gets some rain power boost, and is also pretty nice coverage. While Stock Pile makes his defenses totally bossed up, and if you have 3 stock piles, Swallow will fullly recover your health. Not a bad rain set, both is his attacking moves get rain support, this is the best support you can get with him.
Muk (M) @ Normal Gem
Trait: Poison Touch
EVs: 56 HP / 252 Atk / 200 Def
Adamant Nature (+Atk, -SAtk)
- Poison Jab
- Shadow Punch
Poison Jab is STAB, and gets a 50% chance to Poison your opponent. While Shadow Punch is sick coverage, gets infinite accuracy, and has a 20% Chance to poison ( I'm calculating Poison touch if you didn't notice ) . Explosion gets a boost from his normal gem, and can knock orphans back into their child hood. And Curse boosts up his physical stats.
I'm gonna be honest, he physically gets no support in the rain, but he can be some cool coverage and fire walling if you need him.
Overall, he sucks in the rain. He can't get a decently high attacking stat if you want him to get rain support, even maxed out it still sucks, and you're losing bulk there. While if he has a decent attacking stat, he's not getting any support.
Rating for the rain - 3/10