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

• Mark of the Dragon - Wings
• King of the Archfiends
• Might of the King
• Demon's Resonance
• Burning Soul
• Roaring Soul
• Majestic Light
• Majestic Guardian

Required Card (1 card)

•  

  Red Dragon Archfiend

  Synchro/Effect

Selectable Cards (8 cards)

•  

  Crimson Fire

  Trap

•  

  Red Gardna

  Effect

•  

  Dark Resonator

  Tuner/Effect

•  

  Force Resonator

  Tuner/Effect

•  

  Resonator Call

  Spell

•  

  Resonant Destruction

  Spell

•  

  Red Resonator

  Tuner/Effect

•  

  Synkron Resonator

  Tuner/Effect

•  

  Mirror Resonator

  Tuner/Effect

•  

  Red Warg

  Effect

•  

  Crimson Resonator

  Tuner/Effect

•  

  Wandering King Wildwind

  Effect

•  

  Red Sprinter

  Effect