I have adresssed this idea with some friends, where we could recibe it from anyone, you can chose what you want to recibe, but we can get just 1 character trade in our entire sgm playing life (Or maybe 1 per year in christmas, if we want to show some love), and it can be a bronce or a silver (variants we get all the time), as a show of friendship, and that variant would become automatically a shinny variant.
Does not get wrong with the grind plan, and gets a great value to someone.
I don´t know, think about it UuU