I loved that technique so much that when I saw the tutorial By Jeanne Jachna last year, I made two cards.
Here is my blue version, made again with SC621 on the front and a surprise of magnetic flaps for closure and dangling little stars.
Paper: White glitter paper/Glitter PP from Studio Light 67-3-VM-6 Ice crystals/ Deco Time DS481-6 Christmas trees
Ink: Versafine: Majestic blue
Accessories: Big Shot-Heat Tool and clear embossing powder-Nellie Snellen: Star swirl, SD001 and Stars DS003/White and blue Baker's twine/Magnet/Elastic/Star punch