Lottery Systems (For High Demand) : For exceptionally popular and limited items, the Pokmon Center may implement a lottery system
Cards that interact with your library by shuffling, scrying, drawing cards, or manipulating cards in any other way only refer to your normal library, never your attraction deck
Each Speed Duel GX: Shadow Duelists box contains 228 cards in total, all usable in Speed Duel: 200 Common cards, 20 Skill cards, 8 Secret Rare cards (out of 24) 3 of the 8 Rare Secrets in each box will be the 3 Sacred Beasts: Uria, Lord of Blinding Flames, Hamon, Lord of Crashing Thunder, and Raviel, Emperor of Phantasms
I assume you have a checklist and maybe with pictures and description
The drawback is that if you activate it even once, the second and subsequent ones will be rotten
Tip: Buying 2 products or more at the same time will save you quite a lot on shipping fees.