Mega Gengar Perish Team Help Replace Sinistcha

Summary

In Pokémon Champions | VGC Battles & Tournaments this announcement shares a Mega Gengar Perish Song team and asks for help identifying a missing piece. The roster includes Gengar-Mega, Incineroar, Gyarados, Sinistcha-Masterpiece, Ninetales-Alola, and Kommo-o. The poster suspects Sinistcha is the problematic slot and requests replacement or role advice to improve team synergy.

Original Post

Gengar-Mega @ Gengarite
Ability: Cursed Body
Level: 50
EVs: 32 HP / 10 Def / 24 Spe
Timid Nature
- Perish Song
- Disable
- Shadow Ball
- Protect

Incineroar @ Sitrus Berry
Ability: Intimidate
Level: 50
EVs: 32 HP / 6 Def / 22 SpD / 6 Spe
Careful Nature
- Fake Out
- Parting Shot
- Throat Chop
- Snarl

Gyarados @ Lum Berry
Ability: Intimidate
Level: 50
EVs: 32 HP / 3 Atk / 9 SpA / 22 SpD
Careful Nature
- Taunt
- Protect
- Waterfall
- Icy Wind

Sinistcha-Masterpiece @ Colbur Berry
Ability: Hospitality
Level: 50
EVs: 32 HP / 21 Def / 13 SpD
Bold Nature
- Life Dew
- Rage Powder
- Matcha Gotcha
- Protect

Ninetales-Alola @ Focus Sash
Ability: Snow Warning
Level: 50
EVs: 32 HP / 2 SpD / 32 Spe
Timid Nature
- Aurora Veil
- Encore
- Disable
- Protect

Kommo-o @ Leftovers
Ability: Soundproof
Level: 50
EVs: 32 HP / 32 Atk / 2 SpD
Adamant Nature
- Clangorous Soul
- Clanging Scales
- Aura Sphere
- Protect

I think sinistcha is the problem piece but have no idea what I can replace it with or if I should replace it in first place.

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