Would you like your pokemon Mashed or Doomed?

[Scipio]

20 Pokemon:
4 LA Jirachi
4 LA Beldum
2 LA Metang
4 LA Metagross
2 GE Baltoy
2 GE Claydol
1 DP Magnemite
1 DP Magnezone

23 Trainers:
3 Roseanne's Research
3 Bebe's Search
4 Rare Candy
3 Switch
2 Night Maintainance
2 Cynthia's Plan
4 Professor Oak's Visit
2 Technical Machine TS-1

17 Energy:
4 Call Energy
4 Spec. Metal Energy
9 Bas. Metal Energy

Strategy: Meteor Mashdown with Metagross, using his power to pick what I wish to kill off. Magnezone allows for free retreat whilst Jirachi is an awesome setupper who might get a surprise KO in.

Beh. Translations for those who find finding them is too much work:

Jirachi LV.42 – Steel – HP70
Basic Pokemon

[.] One Wish: Choose 1 card from your deck and shuffle the rest of your deck. Then, place the chosen card on top of your deck.
[M][M] Doom Desire: Discard all Energy attached to Jirachi. At the end of your opponent's next turn, the Defending Pokemon is Knocked Out.

Weakness: Fire (+20)
Resistance: Psychic (-20)
Retreat: 1

Beldum LV.9 – Steel – HP50
Basic Pokemon

Poke-Power: Metal Chain
You can use this Power once during your turn, when you attach a Metal Energy from your hand to this Pokemon. Search your deck for a Beldum and play it on your Bench. Shuffle your deck afterward. This Power can't be used if this Pokemon is affected by a Special Condition, or if Energy is attached as an effect of an attack or Poke-Power.

[M][C] Take-down: 30 damage. Beldum does 10 damage to itself.

Weakness: Fire (+10)
Resistance: Psychic (-20)
Retreat: 2

Metang LV.24 – Steel – HP80
Stage 1 – Evolves from Beldum

[C][C] Agility: 20 damage. Flip a coin, if heads prevent all effects of attacks, including damage, done to Metang during your opponent's next turn.
[M][C][C] Metal Claw: 50 damage.

Weakness: Fire (+20)
Resistance: Psychic (-20)
Retreat: 2

Metagross LV.58 – Steel – HP120
Stage 2 – Evolves from Metang

Poke-Power: Magnetic Reversal
You can use this Power once during your turn. Flip a coin, if heads choose 1 of your opponent's Benched Pokemon and switch it with your opponent's Active Pokemon. This Power can't be used if this Pokemon is affected by a Special Condition.

[M][C][C] Meteor Mash: 50 damage. If Metagross uses Meteor Mash during your next turn, the base damage is 100 instead of 50.

Weakness: Fire (+30)
Resistance: Psychic (-20)
Retreat: 3