Rootpath Purifier, Wheel of Sun and Moon, Terramorphic Expanse, and Amulet of Vigor

Prerequisites

• Rootpath Purifier on the battlefield
• Wheel of Sun and Moon on the battlefield
• Terramorphic Expanse on the battlefield
• Amulet of Vigor on the battlefield
• Wheel of Sun and Moon enchanting you

Steps

1. Activate Terramorphic Expanse by tapping and sacrificing it
2. Terramorphic Expanse is put on the bottom of your library instead of in your graveyard due to Wheel of Sun and Moon
3. Resolve the Terramorphic Expanse ability, searching your library for Terramorphic Expanse and putting it onto the battlefield tapped
4. Terramorphic Expanse enters the battlefield, triggering Amulet of Vigor, untapping Terramorphic Expanse
5. Repeat

Results

• Infinite landfall triggers