Trading it for another shiny.

Preferably:

Mareep/Flaaffy/Ampharos

Charmander/Charmeleon/Charizard

Ditto

Eevee

[Insert legendary here]

Azurill/Marill/Azumarill

Larvitar/Pupitar/Tyranitar

Ralts/Kirlia/Gardevoir

Can also take other offers.