Starbucks is offering a FREE $5 Starbucks eGift Card with purchases of an eGift Card of $15 or more using a Mastercard online at Starbucks.com or through the Starbucks mobile app for a limited time. The gift card can be used online or in-store and will be emailed. Limited one per customer. Offer ends the earlier of when all 50,000 Promotional Gifts are distributed or at 11:59 PM PST on October 22, 2020.