Retreat to Coralhelm, Trade Routes, and Murasa Rootgrazer

Prerequisites

• Retreat to Coralhelm on the battlefield
• Trade Routes on the battlefield
• Murasa Rootgrazer on the battlefield
• You control a basic land
• Murasa Rootgrazer does not have summoning sickness

Steps

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

Results

• Infinite landfall triggers