I've been real short on time this week. I wanted to do a quick fix, and that normally means Haymaker. This is HayMuker.
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HayMuker

Pokemon: 12
2 Grimer
2 Muk
2 Hitmonchan
2 Hitmonlee
3 Scyther
1 Kangaskhan

Trainers: 29
4 Bill
4 Energy Removal
3 Switch
2 Oak
3 Gust of Wind
2 Scoop up
3 Super Energy Removal
4 Pluspower
3 Energy Retrieval
1 Itemfinder
1 Cpu Search

Energy: 18
3 Double Colorless
4 Leaf
10 Fighting
Strategy:
This is to fight off Darkstorms, Raindance, and Damage swap decks. It also works against Mr. Mimes. Its a regular haymaker with Muks that all. The lone kangaskhan is to stall and to fight off psy pokemon while you get a muk or trainers. Bills are to search for cards. Itemfinder really helped in a tournament i was at. I got needed trainers back and used them again. Even if there is one, you'll usually get it late in the game and thats when u need it the most. CPU Search lets me find an oak when i need it or a muk or grimer. Energy removals are essential in this type of deck. Pluspowers surprised many oppenents since they though they were gonna live for another turn. Switches are to bench your muk if someone gusts it out. For scoop ups, what i do is usually at the beginning of a game and i dont have the right energy for a pokemon, idjust leave someone out there and dont attach energy. Then when i get another pokemon who can use the energy, i scoop up the damaged pokemon and bench him while attackin with my built up.

In case your wondering what a mindstorm deck is, its a deck with the ghosts and electabuzz. Its kinda like a Curse + hay maker.
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Overview

Pretty much your standard Muk Haymaker. The Pok閙on could be worked on a bit, and you're extremely low on energy. Not to mention, you have 59 cards. Let's start fixing...

Pok閙on

First, add a Grimer to balance the Muk family. Hitmonlee isn't that great, I'd just stick to the Hitmonchan. Take out those Hitmonlee and add another Hitmonchan. I think that's about it, let's move on to the Trainers.

Trainers

You're going to have to cut some of these to make room for the Energy. Take out the Itemfinder, the Energy retrievals (Since we're adding more Energy), the Scoop Ups, and a Switch. That gives us eight slots for Energy.

Energy

Add six Grass, a Double Colorless, and a Fighting. That should give you enough Energy, let's see the deck.
Pokemon (12)
3 Grimer
2 Muk
3 Hitmonchan
3 Scyther
1 Kangaskhan

Trainers (23)
4 Bill
2 Oak
4 Energy Removal
3 Super Energy Removal
2 Switch
3 Gust of Wind
4 Pluspower
1 Cpu Search

Energy (25)
4 Double Colorless
10 Grass
11 Fighting
Very quick fix, but not too much to do. Hope it works for ya.

~ Souper ~