No it is not possible for people to acess mystery gift without a wireless adapter

first you have to beat the pokemonleague,then go to the town pacifidlog
then surf to the right so you can git to the sky pillar,there you willhave to git the
machbike ride fast over the holes if you git past it there you will find Rayquaza.
remimber to bring a masterball or alot of ultraballs.

Yes,you fill out the form at the pokemart.type in Link Together With All.