Any tips? I'm really banking on Mega-Metagross in the remakes

Jolteon (M) @ Life Orb
Ability: Volt Absorb
EVs: 252 Spd / 252 SAtk / 4 HP
Timid Nature
- Thunderbolt
- Shadow Ball
- Hidden Power [Ice]
- Baton Pass

Venomoth (M) @ Focus Band
Ability: Shield Dust
Shiny: Yes
EVs: 252 Spd / 252 HP / 4 SAtk
Timid Nature
- Sleep Powder
- Quiver Dance
- Baton Pass
- Bug Buzz

Emboar @ Assault Vest
Ability: Blaze
EVs: 252 Atk / 4 HP / 252 Spd
Adamant Nature
- Head Smash
- Flare Blitz
- Wild Charge
- Sucker Punch

Jellicent (M) @ Leftovers
Ability: Water Absorb
EVs: 252 Def / 252 SDef / 4 HP
Serious Nature
- Scald
- Recover
- Confuse Ray
- Protect

Lilligant (F) @ Focus Sash
Ability: Own Tempo
EVs: 252 Spd / 252 SAtk / 4 SDef
Modest Nature
- Sleep Powder
- Quiver Dance
- Petal Dance
- Giga Drain

Metagross @ Air Balloon
Ability: Clear Body
EVs: 252 Atk / 4 SDef / 252 Spd
Jolly Nature
- Earthquake
- Zen Headbutt
- Ice Punch
- Meteor Mash