Oboro Breezecaller, Retreat to Coralhelm, and PuPu UFO

Prerequisites

• Oboro Breezecaller on the battlefield
• Retreat to Coralhelm on the battlefield
• PuPu UFO on the battlefield

Steps

1. Activate PuPu UFO by tapping it, putting a land from your hand onto the battlefield
2. When the land enters the battlefield, Retreat to Coralhelm triggers, untapping PuPu UFO
3. Activate the land and another land by tapping them, adding at least
4. Activate Oboro Breezecaller by paying and returning a land from the battlefield to your hand, untapping another land
5. Repeat

Results

• Infinite landfall triggers