Once Upon a Time is filled with magical stories, but it has also inspired some magical merchandise. Skip to main content. ... Mary Margaret Silver Key Necklace. From. $21. $21 at Etsy. 06.

Elsa said that much when she found the snowflake necklace and said, “Don’t worry, Anna. I will find you. ... “Once Upon a Time” airs Sundays at 8 p.m. ET on ABC.