well for one thing, garchomp and palkia are uber, which means they are banned form normal play unless stated by the person who starts the forum (that would be u in this situation).
i would suggest going to smogon.com to read more about it.
also look up some movesets for the pokemon u have there to, and just to let u know, the move giga impact is terrible cause it leaves u open to revenge kills the next turn, plus u cant switch out the next turn either. it could also give ur opponent some time to set up a sweep
Yo hit me up for a Little Cup shoddy battle