Just use earthquake or literally any dark type move. Mew is at its weakest right when it switches in, so that's your chance to make it count. After using pigeons team, I could say it's balanced. Anything with darkest lariat kills it pretty fast. Although after two cosmic powers if the opponent doesn't have darkest lariat then you instantly win. Not much more than that.I was looking for Battle Armor in the team, but completely forgot that Type: Null gets it! fml
You make some good points though, thanks!
The problems I have though are:
Unnerve isn't a great ability and to sacrifice a slot on a team only to counter one specific stall mon seems ridiculous to me.
Long Reach is good, but is solely allowed on one mon, Decidueye, which lets be honest is a meh kind of mon competitively, especially in a meta like this.
Moves like Darkest Lariat and Sacred Sword are a good shout tbh, I may utilise that! (some great mons learn them, but it's a shame there aren't more that can).
I need to play a few more matches first now to see if stall is as potent as I thought it was and then I'll review it again, see if the meta has become more playable for me.