Mega Eevee:
Ability: Filter
HP: 55
Atk: 5 (-50)
Def: 155 (+105)
SpAtk: 5 (-40)
SpDef: 155 (+90)
Spd: 50 (-5)

Mega Jolteon
Ability: Electric Surge
HP: 65
Atk: 65
Def: 90 (+30)
SpAtk: 140 (+30)
SpDef: 105 (+10)
Spd: 160 (+30)

Mega Flareon
Ability: Drought
HP: 65
Atk: 160 (+30)
Def: 90 (+30)
SpAtk: 95
SpDef: 120 (+10)
Spd: 95 (+30)

Mega Vaporeon
Abiliy: Drizzle
HP: 130
Atk: 65
Def: 90 (+30)
SpAtk: 140 (+30)
SpDef: 125 (+30)
Spd: 75 (+10)

Mega Leafeon
Ability: Grassy Surge
HP: 65
Atk: 140 (+30)
Def: 140 (+10)
SpAtk: 60
SpDef: 95 (+30)
Spd: 125 (+30)

Mega Glaceon:
Ability: Snow Warning
HP: 65
Atk: 60
Def: 120 (+10)
SpAtk: 160 (+30)
SpDef: 125 (+30)
Spd: 95 (+30)

Mega Sylveon:
Ability: Misty Surge
HP: 95
Atk: 65
Def: 95 (+30)
SpAtk: 140 (+30)
SpDef: 160 (+30)
Spd: 70 (+10)

Mega Espeon
Ability: Psychic Surge
HP: 65
Atk: 65
Def: 70 (+10)
SpAtk: 160 (+30)
SpDef: 125 (+30)
Spd: 140 (+30)

Mega Umbreon
Ability: Tricky Surge
HP: 95
Atk: 95 (+30)
Def: 140 (+30)
SpAtk: 70 (+10)
SpDef: 160 (+30)
Spd: 55 (-10)