This solution is for an organization that has set up an event or form that has a confirmation email. When donors make a donation, they want different confirmation emails to send depending on the donation amount.
Currently this is not a feature with Sphere.
Dynamic Content can only be based on: Registration Types Standard Profile Fields Segmentation Custom Event Fields
Blackbaud has an idea bank our clients can go to and list any suggestions they have for our programs. You can go to http://sphere.uservoice.com/forums/143074-sphere-product-whiteboard to enter suggestions and vote for you favorite suggestions as well. This is a direct line to our programming team and they look at this for enhancements to the software.