Alpha Sapphire Event Zygarde

[Specs]

I missed out on the Shiny Zygarde event, and I don't have the equipment for pokegenning for generation 6 games. I've got some generated event pokemon from gens 4 and 5 I could trade, that have all passed the pokebank test. I've also got legit gen 6 event pokemon, although I'm not inclined to trade off the manaphy. I've also got a regi trio with the pokerus, so I can give just about anything the pokerus if that's needed.

I've just been bummed out that I missed that Zygarde event, and no one on the GTS has a shiny Zygarde for trade, so...

(I can also custom generate 5 or earlier pokemon; I've got a chronic illness and plenty of time to tweak my files to get past pokebank.)