How can you create a combo with Retreat to Coralhelm, Cloudstone Curio, Sakura-Tribe Scout?
user
[START OF COMBO]This combo can be formed with Retreat to Coralhelm, Cloudstone Curio, Sakura-Tribe Scout

Color identity: GU
Mana cost: 
Steps:
  1. Activate a basic land by tapping it, adding {1}.
  2. Activate Sakura-Tribe Scout by tapping it, putting a basic land from your hand onto the battlefield.
  3. The land enters the battlefield, triggering Retreat to Coralhelm and  Cloudstone Curio.
  4. Resolve the Retreat to Coralhelm trigger, untapping Sakura-Tribe Scout.
  5. Resolve the Cloudstone Curio trigger, returning any other basic land from the battlefield to your hand.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite landfall triggers
  - Infinite mana basic lands you control can produce[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You have basic land card in hand.
  - You control at least one basic land.
  - Sakura-Tribe Scout does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant