What pokemon has good synergy with metagross in master league? /u/JuicyDickNipples Pokémon GO – Discover Pokémon in the Real World!

I wanna use this in master league but I’m having trouble finding a team that has good synergy with him. I’m using pvp poke team builder to try and find a team but every combination has some sort of big weakness

I wanna use this in master league but I’m having trouble finding a team that has good synergy with him. I’m using pvp poke team builder to try and find a team but every combination has some sort of big weakness