Monstrosity v2

The Monstrosity (Abomasnow-Mega) @ Abomasite
Ability: Snow Warning
EVs: 248 HP / 8 Atk / 252 SpA
Quiet Nature
IVs: 1 Spe
- Blizzard
- Giga Drain
- Ice Shard
- Earthquake

Hippowdon @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 144 Def / 112 SpD
Impish Nature
- Earthquake
- Stealth Rock
- Slack Off
- Stone Edge

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 252 HP / 132 Def / 124 SpD
Calm Nature
IVs: 0 Atk
- Hydro Pump
- Volt Switch
- Pain Split
- Will-O-Wisp

Manaphy @ Leftovers
Ability: Hydration
EVs: 52 HP / 16 Def / 252 SpA / 188 Spe
Modest Nature
IVs: 0 Atk
- Tail Glow
- Surf
- Energy Ball
- Ice Beam

Latios @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psyshock
- Defog
- Thunderbolt

Jirachi @ Choice Scarf
Ability: Serene Grace
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- U-turn
- Iron Head
- Fire Punch
- Healing Wish