This team is by far not silly enough. I got numerous wins using a team consisting of Luvdisc, Delcatty, Castform, Ledian, Pumpkaboo and Delibird, albeit they had good movesets. Now, I made a team that is even sillier, and I challenge you to win with it!
Warning: Rated M for Manly.
Ledian @ Assault Vest
Ability: Iron Fist
EVs: 252 Atk / 4 SDef / 252 Spd
Jolly Nature
- Thunder Punch
- Comet Punch
- U-Turn
- Mach Punch
Delcatty @ Liechi Berry
Ability: Cute Charm
EVs: 252 HP / 4 Def / 252 Spe
Naive Nature
- Assist
- Wish
- Toxic
- Thunder
Castform @ Sticky Barb
Ability: Forecast
EVs: 252 HP / 252 SAtk / 4 SDef
Modest Nature
- Powder Snow
- Ember
- Flamethrower
- Water Gun
Luvdisc @ Net Ball
Ability: Swift Swim
EVs: 4 HP / 252 Atk / 252 Spd
Naive Nature
IVs: 0 Spd
- Aqua Jet
- Surf
- Ice Beam
- Blizzard
Shuckle (M) @ Choice Scarf
Ability: Contrary
EVs: 252 HP / 4 Def / 252 SDef
Calm Nature
- Infestation
- Stone Edge
- Toxic
- Shell Smash
Cryogonal @ Icicle Plate
Ability: Levitate
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature
- Rapid Spin
- Attract
- Rest
- Sleep Talk
Good luck.
Ledian @ Iron Ball
Ability: Iron Fist
EVs: 252 Atk / 4 SDef / 252 Spd
Jolly Nature
- Thunder Punch
- Comet Punch
- U-Turn
- Mach Punch
Delcatty @ Liechi Berry
Ability: Cute Charm
EVs: 252 HP / 4 Def / 252 Spe
Brave Nature
- Assist
- Wish
- Toxic
- Thunder Shock
Castform @ Great Ball
Ability: Forecast
EVs: 252 Atk / 252 SAtk / 4 SDef
Modest Nature
- Hail
- Sunny Day
- Rain Dance
- Sandstorm
Luvdisc @ Net Ball
Ability: Swift Swim
EVs: 4 HP / 252 Atk / 252 SAtk
Timid Nature
IVs: 0 Spd
- Agility
Shuckle (M) @ Ring Target
Ability: Contrary
EVs: 252 HP / 4 Def / 252 SDef
Jolly Nature
- Infestation
- Hidden Power [Grass]
- Toxic
- Shell Smash
Cryogonal @ Zap Plate
Ability: Levitate
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature
- Hidden Power [Poison]
- Attract
- Rest
- Sleep Talk
Ability: Iron Fist
EVs: 252 Atk / 4 SDef / 252 Spd
Jolly Nature
- Thunder Punch
- Comet Punch
- U-Turn
- Mach Punch
Delcatty @ Liechi Berry
Ability: Cute Charm
EVs: 252 HP / 4 Def / 252 Spe
Brave Nature
- Assist
- Wish
- Toxic
- Thunder Shock
Castform @ Great Ball
Ability: Forecast
EVs: 252 Atk / 252 SAtk / 4 SDef
Modest Nature
- Hail
- Sunny Day
- Rain Dance
- Sandstorm
Luvdisc @ Net Ball
Ability: Swift Swim
EVs: 4 HP / 252 Atk / 252 SAtk
Timid Nature
IVs: 0 Spd
- Agility
Shuckle (M) @ Ring Target
Ability: Contrary
EVs: 252 HP / 4 Def / 252 SDef
Jolly Nature
- Infestation
- Hidden Power [Grass]
- Toxic
- Shell Smash
Cryogonal @ Zap Plate
Ability: Levitate
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature
- Hidden Power [Poison]
- Attract
- Rest
- Sleep Talk