I'm using Mr. Mime and Mawile in my actual BP team and they are awesome.
I've used the classic Mr. Mime set with Calm Mind, it's a bit dangerous to switch in if my actual passer as no substitute to pass to him, coz a special attack from a good special sweeper can cut half of mime's HP letting me setup only 1-2 CMs (not counting crits -___-).
I like to use Mawile as an Iron Defense passer, thanks to Intimidate and his typing, he has a good time passing them and in a BP team, the boost in defense are essentially.
I run a classic set with Iron Defense/Baton Pass/Substitute/Iron Head, with max HP and speed.
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