Retreat to Coralhelm, Trade Routes, and Llanowar Scout

Prerequisites

• Retreat to Coralhelm on the battlefield
• Trade Routes on the battlefield
• Llanowar Scout on the battlefield
• You control a land that enters the battlefield untapped and can tap to produce at least
• Llanowar Scout does not have summoning sickness

Steps

1. Activate the land by tapping it, adding at least
2. Activate Trade Routes' first ability by paying , returning the land from the battlefield to your hand
3. Activate Llanowar Scout by tapping it, putting the land from your hand onto the battlefield
4. When the land enters the battlefield, Retreat to Coralhelm triggers, untapping Llanowar Scout
5. Repeat

Results

• Infinite landfall triggers