You can obtain this horse when you give the 5 pieces of Altair's legendary tack to one of your horses, or when you purchase a Altair Pack.
On certain days, this horse can drink twice. When they drink for the second time on a given day, they give you 24 hours of VIP membership. If you are already a VIP, your membership is extended by 24 hours.
When Altair is obtained via the Altair Pack, the probability that this horse drinks twice on any given day is higher.
Game: 24 hours of VIP membership if he drinks twice on the same day.
VIP: Automated mission breakdown management
This horse cannot be sold.