I'm looking for some team advice, and I do not know where else to post it. I am making my first Stall team, and this is what I have so far:

Smeargle @ Focus Sash
Ability: Own Tempo
EVs: 252 HP / 4 SDef / 252 Spd
Timid Nature
- Spore
- Spikes
- Stealth Rock
- Sticky Web

Trevenant @ Sitrus Berry
Ability: Harvest
EVs: 252 HP / 140 Def / 116 Spd
Impish Nature
- Substitute
- Will-O-Wisp
- Leech Seed
- Shadow Claw

Klefki @ Leftovers
Ability: Prankster
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature
- Substitute
- Thunder Wave
- Swagger
- Foul Play

Gliscor @ Toxic Orb
Ability: Poison Heal
EVs: 252 HP / 184 Def / 72 Spd
Impish Nature
- Substitute
- Protect
- Earthquake
- Ice Fang

Blastoise @ Blastoisinite
Ability: Rain Dish
EVs: 252 HP / 4 Atk / 252 SAtk
Mild Nature
- Rapid Spin
- Dragon Tail
- Water Pulse
- Dark Pulse

Sylveon @ Leftovers
Ability: Pixilate
EVs: 252 HP / 4 SAtk / 252 SDef
Bold Nature
- Wish
- Protect
- Heal Bell
- Hyper Voice

Any advice would be appreciated.