Mega-Mawile Checks/Counters

Mega-Mawile Checks/Counters:

Groudon @ Red Orb
Ability: Desolate Land
EVs: 252 HP / 56 Def / 200 SpD
Relaxed Nature
- Stealth Rock
- Precipice Blades
- Lava Plume / Stone Edge
- Roar / Thuder Wave

Arceus-Grass @ Meadow Plate
Ability: Multitype
EVs: 248 HP / 8 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Grass Knot
- Will-O-Wisp
- Ice Beam
- Recover

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 4 Def / 252 SpD
Sassy Nature
IVs: 0 Spe
- Leech Seed
- Gyro Ball
- Spikes
- Protect

Ho-Oh @ Life Orb
Ability: Regenerator
EVs: 248 HP / 208 Atk / 52 SpD
Adamant Nature
- Brave Bird
- Sacred Fire
- Roost
- Substitute

Arceus @ Spooky Plate
Ability: Multitype
EVs: 116 HP / 140 Def / 252 Spe
Timid Nature
- Judgment
- Calm Mind
- Will-O-Wisp
- Recover

Yes, even these things...

Arceus-Fire @ Flame Plate
EVs: 200 HP / 252 SpA / 56 Spe
Modest Nature
- Calm Mind
- Overheat
- Earth Power
- Thunder

Aggron-Mega (M) @ Aggronite
Ability: Filter
Shiny: Yes
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Avalanche
- Heavy Slam
- Earthquake/Fire Punch
- Low Kick