How can you create a combo with Iona, Shield of Emeria, Painter's Servant?
user
[START OF COMBO]This combo can be formed with Iona, Shield of Emeria, Painter's Servant

Color identity: W
Mana cost: 
Steps:
  1. Painter's Servant causes all spells to be the color named by it and Iona.
  2. Because all spells your opponent would cast will be the color named by Iona, your opponent cannot cast spells.[END OF COMBO STEPS]

Result:
  - Opponents cannot cast spells[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - The same color chosen by Iona and Painter's Servant.
[END OF COMBO PREREQUISITES]
assistant