I found these deals available through the AMEX portal, as an "Amex Offer & Benefit".
Walmart - Spend $15+, get $5 back. Expires :12/30/14
Newegg - Spend $200+, get $25 back. Expires: 12/31/14
Toys R Us In Store - Spend $25+, get $5 back. Expires: 12/31/14
Toys R Us Online - Spend $75+, get $15 back. Expires: 12/31/14
Sony - Spend $100+, get $25 back. Expires: 02/03/15
Shell - Spend $30+, get $5 back. Expires: 02/08/15
The Fresh Market - Spend $50, get $10 back. Expires: 02/21/15
There are many more...
Walmart - Spend $15+, get $5 back. Expires :12/30/14
Newegg - Spend $200+, get $25 back. Expires: 12/31/14
Toys R Us In Store - Spend $25+, get $5 back. Expires: 12/31/14
Toys R Us Online - Spend $75+, get $15 back. Expires: 12/31/14
Sony - Spend $100+, get $25 back. Expires: 02/03/15
Shell - Spend $30+, get $5 back. Expires: 02/08/15
The Fresh Market - Spend $50, get $10 back. Expires: 02/21/15
There are many more...