Retreat to Coralhelm, Sakura-Tribe Scout, and Simic Growth Chamber

Prerequisites

• Retreat to Coralhelm on the battlefield
• Sakura-Tribe Scout on the battlefield
• Simic Growth Chamber in hand
• Sakura-Tribe Scout does not have summoning sickness

Steps

1. Activate Sakura-Tribe Scout by tapping it, putting Simic Growth Chamber from your hand onto the battlefield
2. Simic Growth Chamber enters the battlefield, triggering itself and Retreat to Coralhelm
3. Resolve the Simic Growth Chamber 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