Answer 1

Yes, it will.
Unless the opponent uses a move that raise/lowers the stats. (Leaf Storm, Howl)

Comments

thanks, i'm battling mewtwo and it kept using Power Swap.

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xD mew, answering speedily?

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No, that's the answer. Yes.

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this is like the third question we did this

Answer 2

I would think so because when you use the move it switches the stats which means that the Pokemon that used it would have the opponents stats and the opponent get the users old stats.So using it again would Bring back those stats unless the opponent uses a move that raises those stats.