You have to add the required number of "Required Cards" and "Selectable Cards" as specified below. You are not required to set one of the "Skills Allowed."

Skills Allowed

• Neutralization
• Cubic Seeds
• Dimension Summon
• Cubic Dimension Summon
• You Don't Deserve to Exist in My World
• Emperor Advent
• Afterlife Lockdown
• Mind of the Plana

Required Card (1 card)

•  

  Indiora Doom Volt the Cubic Emperor

  Special Summon/Effect

Selectable Cards (8 cards)

•  

  Duza the Meteor Cubic Vessel

  Effect

•  

  Vijam the Cubic Seed

  Effect

•  

  Buster Gundil the Cubic Behemoth

  Special Summon/Effect

•  

  Indiora Doom Volt the Cubic Emperor

  Special Summon/Effect

•  

  Crimson Nova the Dark Cubic Lord

  Special Summon/Effect

•  

  Cubic Dharma

  Spell