Mega Chimecho / Kommo-o Trick Room

Synergy

Mega Chimecho sets Trick Room and fires Boomburst safely next to Soundproof Kommo-o, which is immune to the sound-based spread attack. Levitate on Chimecho lets Mudsdale spam Earthquake across both opponents without friendly fire. Incineroar and Rotom-Wash provide Fake Out, Parting Shot, Intimidate, and Volt Switch to safely establish the room, while Chandelure doubles as a Fire counter and backup Trick Room setter.

Win Conditions

Set Trick Room with Chimecho, then pivot into Mudsdale or Kommo-o and cycle spread moves. Boomburst, Helping Hand-boosted Soft Sand Earthquake, Clanging Scales, and Heat Wave overwhelm opponents before Trick Room expires. A fast non-Trick Room mode exists with Rotom-Wash plus Chandelure for matchups where Trick Room setup is unsafe.

Lead Options

Rotom-Wash + Chimecho, Incineroar + Chimecho, Incineroar + Chandelure, Rotom-Wash + Chandelure

Threats

Wide Guard from Aegislash, Pelipper, or Aerodactyl shuts down the spread-move offense completely. Basculegion resists Flash Cannon and is immune to Boomburst. Charizard can one-shot Chimecho with Fire damage before Trick Room is set. Bulky Rotom-Wash walls Mudsdale, taking little from Rock Slide while threatening back. Tyranitar and opposing Incineroar wall Chandelure with Dark-type attacks while resisting Heat Wave. Fairy types hard-wall Kommo-o.