Retreat to Coralhelm, Sakura-Tribe Scout, and Orzhov Basilica

Prerequisites

• Retreat to Coralhelm on the battlefield
• Sakura-Tribe Scout on the battlefield
• Orzhov Basilica in hand
• Sakura-Tribe Scout does not have summoning sickness

Steps

1. Activate Sakura-Tribe Scout by tapping it, putting Orzhov Basilica from your hand onto the battlefield
2. Orzhov Basilica enters the battlefield, triggering itself and Retreat to Coralhelm
3. Resolve the Orzhov Basilica trigger, returning itself from the battlefield to your hand
4. Resolve the Retreat to Coralhelm trigger, untapping Sakura-Tribe Scout
5. Repeat

Results

• Infinite landfall triggers