1. From the Shop, select the Expansions tab. 2. Click/Tap on current set logo. (Note: On mobile, the set logo is displayed twice; tap the one at the bottom of the screen.) 3. Scroll down to the Sword and Shield series. 4. Select Celebrations. (Note: This set is named "Gran Festa" in Italian.) 5. For maximum value, buy packs 6 at a time through the "Booster Packs" section. This gives you the lowest price per pack and 350 bonus Trade Credits. Unlike the product collections, there's also no purchase limit.