Latias-Mega @ Latiasite
Ability: Levitate
EVs: 252 HP / 228 Def / 28 Spe  Note: Can run more speed for threats such as Vincune/Heatran
Bold Nature
IVs: 0 Atk
- Calm Mind
- Thunderbolt
- Roost
- Stored Power

Victini @ Choice Band
Ability: Victory Star
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brick Break
- Bolt Strike
- V-create
- U-turn

Latios @ Choice Scarf
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Psychic
- Draco Meteor
- Defog
- Trick

Jirachi @ Leftovers
Ability: Serene Grace
EVs: 252 HP / 148 SpD / 108 Spe
Careful Nature
- Stealth Rock
- Iron Head
- Toxic
- U-turn

Slowbro @ Colbur Berry
Ability: Regenerator
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Thunder Wave
- Scald
- Fire Blast
- Slack Off

Meloetta @ Choice Specs
Ability: Serene Grace
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Dazzling Gleam
- Focus Blast
- Shadow Ball
- Psychic
       or
Mew @ Leftovers
Ability: Synchronize
EVs: 252 HP / 148 SpD / 108 Spe  or 252 HP / 144 SpD / 112 Spe
Careful Nature / Jolly Nature
- Taunt
- Will-O-Wisp
- Roost
- Knock Off / Ice Beam (To deal better with dragons)
Run Calm / Timid Nature if Ice Beam