How can you create a combo with Master Transmuter, Retreat to Coralhelm, Seat of the Synod?
user
[START OF COMBO]This combo can be formed with Master Transmuter, Retreat to Coralhelm, Seat of the Synod

Color identity: U
Mana cost: 
Steps:
  1. Activate Seat of the Synod by tapping it, adding {U}.
  2. Activate Master Transmuter by paying {U}, tapping it and returning Seat of the Synod from the battlefield to your hand, putting Seat of the Synod from your hand onto the battlefield.
  3. Retreat to Coralhelm triggers, untapping Master Transmuter.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite landfall triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Master Transmuter does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant