Welcome to Yu-Gi-Oh! Trials of the Pharaoh for Speed Duel GX: Duel Academy Box – put your Dueling skills to the test in exchange for exclusive prizes!

Journey to your local OTS and complete Challenge Sheets each linked to character Deck from the Speed Duel GX: Duel Academy Box. Exchange them for exclusive prizes, including a T-Shirt featuring Jaden Yuki with his Elemental HERO monsters, a Keyring and the Promotional Super Rare Elemental HERO Sparkman Card.

These events will run in a Speed Duel format decided by your OTS, and will last for three months. For more information, please check the FAQ or contact your OTS.
Check with your local OTS to see if they are taking part and for information on rules. To find your local OTS, use the store locator.

It’s Time to Duel!

Source, including FAQ for the event.