[RT] Slither and Strike - Serperior OU

Serperior @ Choice Scarf
Ability: Contrary
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Leaf Storm
- Giga Drain
- Hidden Power [Rock]
- Knock Off

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

Heatran @ Leftovers
Ability: Flash Fire
EVs: 248 HP / 220 SpD / 40 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Toxic
- Substitute

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 248 HP / 212 Def / 24 SpD / 24 Spe
Impish Nature
- Earthquake
- U-turn
- Hidden Power [Ice]
- Stealth Rock

Mantine @ Leftovers
Ability: Water Absorb
EVs: 248 HP / 84 Def / 176 SpD
Calm Nature
IVs: 0 Atk
- Scald
- Toxic
- Defog
- Roost

Tapu Koko @ Electrium Z
Ability: Electric Surge
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Wild Charge
- Taunt
- U-turn
- Brave Bird