When you sign up for Starbucks Rewards you will receive a coupon in the mail for a FREE Artisan Breakfast Sandwich. After signing up you should receive the coupon within 4-6 weeks. The offer is available for new signups only.
You can sign up for the offer here: Starbucks Coupon for a Free Artisan Breakfast Sandwich.
And don’t forget to do your searching through Swagbucks to to earn that free latte to go along with that free breakfast sandwich. 
(Thanks, Common Sense with Money!)
You have to buy a card for this? How much?