Sending multiple in one workflow

Sending multiple in one workflow

I want to set up several emails (i.e. a drip campaign) to be sent to leads.  The email are designed to get them to respond to my calls and emails.  

For Example:
I enter a new lead with a default "lead status" of new.  I want to set up a workflow so when the "lead status" is changed to call, it will trigger the workflow to send the first email.  

Here's my real question.  I want the 2nd email to go out in 2 days after the trigger event.  The 3rd email would go out in 5 days after the trigger event and so forth.

Can this be accomplished in one workflow, or do I have to set up a workflow for each email.  Hopefully, the former, but I can't figure out how to do it.