I am wondering if Zygarde-Complete form is allowed in cimpetitive. Here is the website: https://internationals.eslpkm.com.au/rules/. Go Rules and Resources -> Video Game -> Full Rules -> Here. It doesn't say anything about it but I am not sure if it is allowed.
Yes, but Kyogre and Xerneas are way better than Zygarde Complete in Oceania Internationals.