This gift was given away to participants of the 2019 International Challenge (February).
Participants were required to take part in at least 3 battles of the Online Competition, with a game synced game and account.
As this Online Competition was only available to Ultra Sun and Ultra Moon, the gift is also only receivable on Ultra Sun and Ultra Moon.
Apparently, this version of the PGL Shiny Tapu Bulu uses the wrong " ' " in the OT name Ula'ula,
and as a result, trading it will result in the OT name changing, not dissimilar to the Rally Mew.
When traded, it's OT will change to "Sun." or "Moon." (with a period), based on language and game received in.
[Example, if it was received in a French game, it'll become "Soleil." when traded]
It is not known if this error would be fixed before the end of the distribution.
Format Ver.1.0.7-0, Post Updated Date:20190319_2355