Analysis of the Pokemon Bank gift format shows that it holds WC6FULL files, and can hold up to 6 of them.
The remaining 3, while having it's species dummied out, actually holds data:
What's interesting with the information above is:
1. OT is Satoshi (ASH)
2. All Distribution titles (including for the Regi's) is "Zekrom Present"
3. Fusion Bolt and Haze, are both moves associated with Zekrom (or more specifically, Ash's Zekrom)
4. The inclusion of Light of Ruin and Fairy Gem