Mega Lopunny offense

Lopunny-Mega @ Lopunnite
Ability: Limber
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- High Jump Kick
- Return
- Fake Out
- Power-Up Punch

Magnezone @ Choice Specs
Ability: Magnet Pull
EVs: 128 HP / 252 SpA / 128 Spe
Modest Nature
IVs: 0 Atk
- Thunderbolt
- Hidden Power [Fire]
- Flash Cannon
- Volt Switch

Greninja @ Expert Belt
Ability: Protean
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Extrasensory
- Dark Pulse
- Spikes
- Gunk Shot

Landorus-Therian @ Leftovers
Ability: Intimidate
EVs: 252 HP / 216 Def / 40 Spe
Impish Nature
- U-turn
- Earthquake
- Defog
- Hidden Power [Ice]

Magearna @ Assault Vest
Ability: Soul-Heart
EVs: 252 HP / 4 Atk / 104 SpA / 148 SpD
Quiet Nature
- Volt Switch
- Fleur Cannon
- Iron Head
- Ice Beam

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Substitute
- Toxic
- Stealth Rock
- Lava Plume