Pokémon: I have modifiers

The potential of the elf is not good, I will change your body!
The characteristics of the elf are not good, I will change the characteristics for you!
The Elf's moves are too weak, I'll give you a big move!
The color of the elves is not very attractive!It doesn’t matter, I’ll change it to a flash for you!
What should I do if my Gardevoir is of the wrong gender?It doesn't matter, the gender can be changed as well...!