>>54973559>MewThe Emerald Faraway Island Mew passes through Bank and HOME just fine because it was legal in Japan
>DeoxysFrLg + E, 100% legitimate if you obtain it at Birth Island; you could theoretically be saved there before the encounter and have sat there for almost 2 decades if you had the event legitimately.
>Jirachibonus disk Jirachi, which is one of the most tedious shiny hunts of all time. You will not get it before Bank shuts down and in fact odds are you wouldn't get it before HOME shuts down either.
>other shit to getNot shinies, but here's a list of unavailable shit you will 100% not be able to get when Bank shuts down.
>BOX RS eggs>All Colosseum/Gale of Darkness Shadow Pokémon (130/131 in total, have the National Ribbon which is unobtainable otherwise)>Colosseum/Gale of Darkness gift/extra Pokémon (don't know how many off the top of my head, but this includes starters + 7 Duking Pokémon + Hordel's Elekid + Wild Pokémon)Orre Pokémon are most important due to their met location all being "faraway land" to this day.
>Earth Ribbon (completion award for Mt. Battle, repeatable)>HGSS gym leader trades, Steven trade (4 in total)>the Red battle ribbon (often overlooked, has not been distributed since HGSS)>Pokéwalker Pokémon (not that unique)>My Pokémon Ranch Hayley trades (22 in total, 1 requires 250 Pokémon and 1 requires 1,000 Pokémon)Some of the met locations on Hayley's Pokémon are "lovely place" or something else unique.
>3 PBR event Pokémon>N's Pokémon (15 in total)>BW2 date trades (nope)>PokéRadar mons (not that unique)Everything else has a non zero chance to come back in the future imo, like Maison/Tree ribbons and VC Pokémon games (specifically, gens 1-3)