Master your class and unleash the power of the Elemental titans as you defend Rathe from the destructive power of the Old Ones!Mastery Pack Guardian has everything Guardian fans need to upgrade their decks, level up their gameplay, and crush their opponents.

Each Mastery Pack Guardian booster box comes with 12 booster packs.

Booster Rarity Breakdown:

• 1 Rare or Majestic
• 9 Commons
• 1 Equipment
• 1 Token
• 1 Token or higher Rainbow Foil or Cold Foil