'download' - Kazon Facility cards.
Cards you can download by using Kazon Facility cards.
reason why you can 'download'
target of 'downloading'
Kazon Outpost Outpost Shields: 34 Seed one at a or location OR build at such a location where you have a Kazon ENGINEER.
The Kazon Collective
or 
location
OR
build at such a location where you have a Kazon ENGINEER.