Retreat to Coralhelm, Sakura-Tribe Scout, and Ghost Town

Prerequisites

• Retreat to Coralhelm on the battlefield
• Sakura-Tribe Scout on the battlefield
• Ghost Town in hand
• Sakura-Tribe Scout does not have summoning sickness
• It is not your turn

Steps

1. Activate Sakura-Tribe Scout by tapping it, putting Ghost Town from your hand onto the battlefield
2. Retreat to Coralhelm triggers, untapping Sakura-Tribe Scout
3. Activate Ghost Town by tapping it, adding
4. Activate Ghost town by paying , returning it to your hand
5. Repeat

Results

• Infinite colorless mana
• Infinite landfall triggers