This is a guide to get a set of 7 shiny event Rayquaza from the following events:

07066 Skytree

08055 Galileo

09115 Nintendo HK

05025 Spring Carnival

03145 SG Summer'15

01185 WHF15

03145 Corocoro

You will need a 3ds, Pokemon Sun or Moon, and unwanted pokemon to trade for these.

After purchasing be sure to send a message with your Friend code and In game name.

Disclaimer: All rights to Pokemon belong to Nintendo and Gamefreak.