How can you create a combo with Archetype of Imagination, Magus of the Moat?
user
[START OF COMBO]This combo can be formed with Archetype of Imagination, Magus of the Moat

Color identity: WU
Mana cost: 
Steps:
  1. All creatures your opponent control lose flying.
  2. Magus of the Moat prevents things without flying from attacking.
  3. Creatures your opponent can not fulfill the conditions necessary to attack.[END OF COMBO STEPS]

Result:
  - Opponents creatures can't attack[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant