It’s back! You get 4 parks in 4 days! This ticket is good from 4/30/17 to 9/30/17 but must be purchased by 7/30/17. This is a great way to see all 4 parks at a great price!! It is $79/day for the 4 days.
Check out this link for more information https://disneyworld.disney.go.com/special-offers/park-tickets/