There are still a few Sam's Clubs around that you can get this awesome Santa Unicorn Cake according to PopSugar!
"The wholesale retailer is currently offering two holiday-themed unicorn cakes: the first features a unicorn with a red and green horn, Santa's belt, and other festive Christmas touches, while the second is an icy-blue cake with snowflake details topped with a white and blue-horned unicorn. The Santa cake will be available through Dec. 24."
3-tier cake is $70 and the two-tier one is $40! Putting my order in ASAP!