Shiny mewtwo
you can't you can, but only by trading all your Pokemon to another game before restarting, then trading them back after you have gained the ability to.
Its trading ability.
There is no way of getting all beginner Pokemon without trading.
Catching and Trading.
By trading with Pokemon Colliseum and XD.
no
Upstairs in the Pokemon Center?
are you dumb or just stuck on stupid?.... you can't keep Pokemon that your trading, that's the whole meaning of trading. if you don't want to lose your Pokemon don't trade or make deals.
Trading is required.There was available a Japanese Event to get a Squirtle in Dream World with a different Ability (Rain Dish instead of Torrent) but it already expired.
Trading ability.
You can but only from trading with Pokemon emerald or Pokemon colosseum.
by trading