Medicham @ Medichamite
Ability: Pure Power
Adamant Nature
EV: 252 Atk / 4 Def / 252 Spe
-High Jump Kick
-Zen Headbutt
-Ice Punch
-Bullet Punch
Excadrill @ Life Orb
Ability: Sand Rush
Adamant Nature
EV: 252 Atk / 4 Def / 252 Spe
-Earthquake
-Iron Head
-Rock Slide
-Rapid Spin
Volcanion @ Mystic Water
Ability: Water Absorb
Modest Nature
IV: 0 Atk
EV: 4 Def / 252 SpA / 252 Spe
-Steam Eruption
-Flamethrower
-Sludge Bomb
-Earth Power
Serperior @ Miracle Seed
Ability: Contrary
Timid Nature
IV: 0 Atk / 30 SpA / 30 Spe
EV: 4 Def / 252 SpA / 252 Spe
-Leaf Storm
-Hidden Power Fire
-Dragon Pulse
-Taunt
The following sets were not made by me:
Tyranitar @ Chople Berry
Ability: Sand Stream
Relaxed Nature
EV: 248 HP / 80 Def / 180 SpD
-Stone Edge
-Pursuit
-Ice Beam
-Stealth Rock
Slowbro @ Leftovers
Ability: Regenerator
Bold Nature
IV: 0 Atk
EV: 252 HP / 232 Def / 24 SpD
-Scald
-Psyshock
-Thunder Wave
-Slack Off
This team is used on Pokémon Showdown for laddering on the OU tier.