This may be confirmed for Europe only, unsure.
To celebrate the upcoming release of Structure Deck: Spirit Charmers, Official Tournament Stores will be running special release events where you can harness the power of the elements with Spirit Charmers!
In each Release Event for Structure Deck: Spirit Charmers, Duelists can purchase a brand new Structure Deck and compete with it. Duelists who compete get a chance to obtain an exclusive Structure Deck: Spirit Charmers Game Mat.
In certain countries, Duelists who purchase at least 1 Structure Deck: Spirit Charmers will be added to an in-store giveaway to get a chance to obtain an exclusive Structure Deck: Spirit Charmers Game Mat. Please check with your OTS if they are taking part in this giveaway*
*while stocks last
You can find the FAQ here: KDE-E – Release Event FAQ 2020
Editor’s comment: It is important to note that the U.S. section of yugioh-card.com has not yet explicitly confirmed these events for North America – only the United Kingdom section has posted this.