OooMala352 : 

 Kyurem-Black @ Leftovers

Ability: Teravolt
EVs: 252 HP / 4 Atk / 252 Def
Lax Nature
- Substitute
- Fusion Bolt
- Dragon Claw
- Ice Beam

Tyranitar @ Choice Scarf

Ability: Sand Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Pursuit
- Crunch
- Stone Edge
- Superpower

Mew @ Leftovers

Ability: Synchronize
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
- Baton Pass
- Calm Mind
- Nasty Plot
- Rock Polish

Aggron @ Choice Band

Ability: Rock Head
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Head Smash
- Iron Head
- Earthquake
- Superpower

Charizard-Mega-X @ Charizardite X

Ability: Tough Claws
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Dragon Dance
- Flare Blitz
- Dragon Claw
- Roost

Keldeo @ Choice Specs

Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Scald
- Secret Sword
- Hydro Pump
- Icy Wind

Mariano O GRANDE!: 

1. Thundurus @ Leftovers  
2. Ability: Prankster  
3. EVs: 4 Def / 252 SpA / 252 Spe  
4. Timid Nature  
5. - Thunder Wave  
6. - Thunderbolt  
7. - Volt Switch  
8. - Focus Blast  
9.  
10. Latios @ Choice Scarf  
11. Ability: Levitate  
12. EVs: 4 HP / 252 SpA / 252 Spe  
13. Timid Nature  
14. - Draco Meteor  
15. - Psyshock  
16. - Hidden Power [Fire]  
17. - Surf  
18.  
19. Azumarill @ Choice Band  
20. Ability: Huge Power  
21. EVs: 88 HP / 252 Atk / 4 Def / 164 Spe  
22. Adamant Nature  
23. - Aqua Jet  
24. - Play Rough  
25. - Knock Off  
26. - Waterfall  
27.  
28. Kyurem-Black @ Choice Scarf  
29. Ability: Teravolt  
30. EVs: 252 Atk / 32 SpA / 224 Spe  
31. Naive Nature  
32. - Ice Beam  
33. - Outrage  
34. - Fusion Bolt  
35. - Iron Head  
36.  
37. Garchomp @ Lum Berry  
38. Ability: Rough Skin  
39. EVs: 252 Atk / 4 Def / 252 Spe  
40. Jolly Nature  
41. - Stealth Rock  
42. - Earthquake  
43. - Outrage  
44. - Swords Dance  
45.  
46. Metagross @ Metagrossite  
47. Ability: Clear Body  
48. EVs: 252 Atk / 4 Def / 252 Spe  
49. Jolly Nature  
50. - Meteor Mash  
51. - Zen Headbutt  
52. - Hammer Arm  
53. - Grass Knot