>>28121495>>28121864If we're talking strictly of gen1 to gen2 transfer, the system definitely works. This is a shiny Articuno in gen1.
Asking whether they'll be shiny when transferred to S/M is just a fallacy at this point. We factually cannot know how it'll work or if Gamefreak will even bother to implement it.
I know I'm late but I was busy this weekend and couldn't hunt very much. ;-; 