Darkinium Z Hydreigon + Mega Mawile

Reuniclus @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 212 Def / 44 Spe
Bold Nature
IVs: 0 Atk
- Calm Mind
- Acid Armor
- Psychic
- Recover

Tornadus-Therian @ Rocky Helmet
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 Spe
Timid Nature
- Hurricane
- Taunt
- U-turn
- Defog

Mawile @ Mawilite
Ability: Intimidate
EVs: 92 HP / 252 Atk / 164 Spe
Adamant Nature
- Swords Dance
- Play Rough
- Sucker Punch
- Knock Off

Heatran @ Leftovers
Ability: Flash Fire
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Protect
- Taunt

Toxapex @ Black Sludge
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 SpD
Calm Nature
IVs: 0 Atk
- Scald
- Haze
- Recover
- Toxic

Hydreigon @ Darkinium Z
Ability: Levitate
EVs: 244 SpA / 32 SpD / 232 Spe
Timid Nature
- Dark Pulse
- Earth Power
- Flash Cannon
- Roost