Rain Stall

Politoed @ Leftovers
Trait: Drizzle
EVs: 252 HP / 252 Def / 4 Spd
Bold Nature
- Scald
- Toxic
- Perish Song
- Protect

Tentacruel @ Leftovers
Trait: Rain Dish
EVs: 252 HP / 236 Def / 20 Spd
Bold Nature
- Scald
- Toxic Spikes
- Rapid Spin
- Protect

Skarmory (M) @ Leftovers
Trait: Sturdy
EVs: 252 HP / 224 Def / 32 Spd
Impish Nature
- Taunt
- Spikes
- Whirlwind
- Roost

Jirachi @ Leftovers
Trait: Serene Grace
EVs: 252 HP / 4 Atk / 252 SDef
Sassy Nature
- Stealth Rock
- Thunder
- Iron Head
- Wish

Celebi @ Leftovers
Trait: Natural Cure
EVs: 252 HP / 224 SDef / 32 Spd
Calm Nature
- Psychic
- Leech Seed
- Heal Bell
- Recover

Zapdos @ Leftovers
Trait: Pressure
EVs: 248 HP / 152 SDef / 108 Spd
Calm Nature
- Substitute
- Roost
- Thunder
- Hidden Power [Ice]