Mega Latias - UU

Latias @ Latiasite
Ability: Levitate
EVs: 252 HP / 4 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Recover
- Stored Power
- Surf

Weavile @ Life Orb
Ability: Pressure
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Icicle Crash
- Knock Off
- Ice Shard
- Pursuit

Cobalion @ Fightinium Z
Ability: Justified
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Stealth Rock
- Close Combat
- Iron Head
- Swords Dance

Sylveon @ Leftovers
Ability: Pixilate
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Hyper Voice
- Heal Bell
- Wish
- Protect

Nidoking @ Choice Scarf
Ability: Sheer Force
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Earth Power
- Sludge Wave
- Ice Beam
- Fire Blast

Mantine @ Leftovers
Ability: Water Absorb
EVs: 252 HP / 184 Def / 72 SpD
Calm Nature
- Scald
- Roost
- Haze
- Defog