Golden Triangle

Copper (Jirachi) @ Leftovers
Trait: Serene Grace
EVs: 252 HP / 4 Def / 252 SDef
Careful Nature (+SDef, -SAtk)
- Stealth Rock
- Fire Punch
- Body Slam
- Wish

Amber (Rotom-W) @ Leftovers
Trait: Levitate
EVs: 252 HP / 252 Def / 4 SAtk
Bold Nature (+Def, -Atk)
- Volt Switch
- Hydro Pump
- Thunder Wave
- Pain Split

Emerald (Celebi) @ Life Orb
Trait: Natural Cure
EVs: 232 HP / 240 SAtk / 36 Spd
Modest Nature (+SAtk, -Atk)
- Leaf Storm
- Psychic
- Thunder Wave
- Recover

Bronze (Mamoswine) (M) @ Life Orb
Trait: Thick Fat
EVs: 252 Atk / 4 Def / 252 Spd
Adamant Nature (+Atk, -SAtk)
- Ice Shard
- Icicle Spear
- Superpower
- Earthquake

Silver (Magnezone) @ Choice Specs
Trait: Magnet Pull
EVs: 4 Def / 252 SAtk / 252 Spd
Modest Nature (+SAtk, -Atk)
- Volt Switch
- Hidden Power [Fire]
- Thunderbolt
- Flash Cannon

Gold (Latias) (F) @ Leftovers
Trait: Levitate
EVs: 252 HP / 4 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Calm Mind
- Substitute
- Recover
- Dragon Pulse