If you plan on using Gallade in PVP, you will want to add a third attack for some Grass-type coverage. This means Gallade's ...

Mega Gallade is available for you to catch, but you'll want to consider what attacks you should teach it in its Mega Evolution.

Of the Pokémon you can use against Mega Gallade, the best counters include Rayquaza, Salamence, and Gardevoir in Pokémon Go.