Mono Ice

Snover @ Eviolite
Ability: Snow Warning
EVs: 248 HP / 8 Atk / 252 SpD
Gentle Nature
- Giga Drain
- Ice Shard
- Blizzard
- Leech Seed

Rotom-Frost @ Choice Scarf
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Volt Switch
- Trick
- Blizzard
- Thunderbolt

Glaceon @ Choice Specs
Ability: Snow Cloak
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 1 Atk / 30 SpA / 30 SpD
- Ice Beam
- Shadow Ball
- Hidden Power [Ground]
- Blizzard

Avalugg @ Leftovers
Ability: Sturdy
EVs: 248 HP / 8 Def / 252 SpD
Careful Nature
- Avalanche
- Recover
- Rapid Spin
- Earthquake

Lapras @ Choice Specs
Ability: Water Absorb
EVs: 120 HP / 252 SpA / 136 Spe
Modest Nature
IVs: 0 Atk
- Surf
- Ice Beam
- Freeze-Dry
- Hydro Pump

Regice @ Life Orb
Ability: Ice Body
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Rock Polish
- Ice Beam
- Thunderbolt
- Focus Blast