Please click if you know how to make action replay codes!

I'd like to make a code for my action replay where a shadow pokémon will appear on pokémon Heartgold, only because I know they exist but they're even more rare than shinies! So if anyone knows how to create Action Replay Codes, I know it's possible to, so I'd like them to please either teach me or make the code for me. Thanks, also, if someone knows exactly how to activate the code for the lvl 100 shiny magikarp with maxed out stats, please tell me how to activate it. Thanks!

This board is for video games, and not codes and such.

I'm sorry, but I will have to lock this.

-Locked-