Mega Garchomp Sandstorm

Synergy

Mega Garchomp's 170 base Attack is boosted further by Sand Force on ground moves. Talonflame provides priority Quick Guard to block Fake Out, then Tailwind to offset Mega Garchomp's speed drop. Rotom-Mow adds Electroweb speed control and Discharge spread damage to complement Earthquake spam. Tyranitar (non-Mega) sets Sandstorm and provides rock/dark coverage.

Win Conditions

Protect Mega Garchomp from Fake Out with Quick Guard turn 1, then set Tailwind or use Electroweb to compensate for the speed drop. Spam Earthquake and Discharge as spread spread damage to overwhelm opponents.

Lead Options

Garchomp-Mega + Talonflame, Garchomp-Mega + Rotom-Mow

Threats

Pokémon faster than Mega Garchomp under Tailwind, Ice-type coverage moves, opposing Trick Room setters.