Update: This very popular deal is still available.
Amazon is offering selectAmazon Accounts/Customers w/ Discover Rewards: 30% Off Eligible Amazon Purchases when paying w/ Discover Reward ($15 Maximum Discount) when you click the offer and activate it under your account if eligible.
Thanks to community member Silver_Surferr for finding this deal
Note, please login/check to see if you're eligible for this promotional offer; may not be available to all users
Some users may receive a higher discount, if eligible (ex; 40% Off, Up to $20 Max)