Retreat to Coralhelm, Sakura-Tribe Scout, and Oboro, Palace in the Clouds

Prerequisites

• Retreat to Coralhelm on the battlefield
• Sakura-Tribe Scout on the battlefield
• Oboro, Palace in the Clouds in hand
• Sakura-Tribe Scout does not have summoning sickness

Steps

1. Activate Sakura-Tribe Scout by tapping it, putting Oboro from your hand onto the battlefield
2. Oboro enters the battlefield, triggering Retreat to Coralhelm, untapping Sakura-Tribe Scout
3. Activate Oboro's first ability by tapping it, adding
4. Activate Oboro's second ability by paying , returning it from the battlefield to your hand
5. Repeat

Results

• Infinite landfall triggers