Ancient Dragon spirit card set includes the following digital content :

• Fenex spirit card: Ancient demon dragon that has been banished to the inferno a thousand years ago.
  
• Lucifer the Grandmaster spirit card: Lucifer the Grandmaster of the ancient technique was imprisoned in the ice dragon in the deepest depth of hell.
  
• Gemini spirit card: Twin head dragon that summons lightning and thunder with its musical instrument.
  
• Nagaz spirit card: Ancient dragon that waged war with humans a thousand years ago.
  
• Viper spirit card: Legendary mythical venomous dragon that lives in the forbidden forest. Only a few demons have ever witnessed this dragon.