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Mega Lucario
name: Mega Swords Dance
move 1: Swords Dance
move 2: Close Combat
move 3: Earthquake
move 4: Bullet Punch
ability: Justified
item: Lucarionite
evs: 252 Atk / 4 Def / 252 Spe
nature: Jolly
Sylveon
move 1: Wish
move 2: Protect
move 3: Moon blast
move 4: Shadow ball
ability: Cute charm
item: Leftovers
evs: 252 HP / 252 Def / 4 spa
nature: Bold
Garchomp
Item Yache Berry
Ability: Rough Skin
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Swords Dance
- Earthquake
- Dragon Claw
- Fire Fang
Skarmory
name: Physically Defensive
move 1: Roost
move 2: Whirlwind
move 3: Stealth Rock
move 4: Brave Bird
ability: Sturdy
item: Rocky helmet
nature: Impish
evs: 252 HP / 252 Def / 4 SpD
Greninja
name: All-Out Attacker
move 1: Surf
move 2: Ice Beam
move 3: Dark Pulse
move 4: grass knot
ability: Protean
item: Life Orb
evs: 4 hp / 252 SpA / 252 Spe
nature:Timid
Cresselia
name: Dual Screens
move 1: Lunar Dance
move 2: Reflect
move 3: Light Screen
move 4: Thunder Wave
item: Light Clay
evs: 248 HP / 112 Def / 12 SpD / 136 Spe
nature: Bold
If this is a Pokemon Showdown team, Pixilate + Hyper Voice is preferred on Sylveon:
-Wish
-Protect
-Hyper Voice
-Heal Bell/Calm Mind
Nature: Bold
EVs: 252 HP/244 Def/12 Spe
Item: Leftovers
Ability: Pixialte