Max Atk/Spe, Choice Scarfwith Speed-boosting via item — Pinsir physical attacker. Ability MoxieMoxie raises Atk on each KO, KOing opponents from above for a sweep.

Scarf Moxie Role

Choice ScarfFrom boosted high Speed, Lunge or Close Combatphysical moves pressure opponent team as main role. High Attack hits weakness to KO, ability boosts power continuing to sweep teammates role.

Max Atk/Spe; post-Mega Aerilate turns Normal moves to Flying — Mega Pinsir physical ace. Swords Dance drastically raises Attack, pressuring opponents heavily including priority.

Alternative Move Options

With support, Double Hit is worth considering

Thrash has high power but locks 2-3 turns. Double Hit has lower power but no lock and pierces Sash. Power can be supplemented by Swords Dance — consider if you have setup support.

Swords Dance Ace Role

On favorable matchups, set up Swords Dance; powered STAB and complementary Ground break team as main role. Vs. faster or chipped opponents, ability-boosted strong priority pins from above — also as stopper.

Threats

Weak to faster Pokémon

Mega Pinsir has high power and breakthrough but Speed base 105 isn't that high.Typing isn't great either, so Scarf users hitting weakness from above can KO it.