Latios @ Lum Berry
Evs: 252 sp attack, 252 speed, 4 special defense
Modest Nature
-Calm mind
-Psychic
-Thunderbolt
-Ice beam

Suicune @ Leftovers
EVs: 238 HP / 140 Def / 132 Spe
Ability: Pressure
Bold Nature
- Surf
- Rest
- Substitute
- Calm Mind

Breloom @ Brightpowder
Evs: 252 attack, 252 speed, 4 hp
Ivs: 31/31/22/29/19/31
Jolly Nature
-Spore
-Focus Punch 
-Substitute
-Leech Seed