20th Secret Rare Challenge Pack

20th Anniversary Secret Rare Challenge Pack is a supplementary Booster Pack in the Yu-Gi-Oh! Official Card Game (OCG) given to buyers, for every ¥1000 worth of Yu-Gi-Oh! products.

Breakdown
Each pack contains 1 card (out of 10 cards).
 * 2 20th Secret Rares
 * 8 Super Rares

For every ¥1000 worth of Product, the buyer can get one pack (10 packs at a time at maximum).