Retreat to Coralhelm, Squandered Resources, Groundskeeper, and Sakura-Tribe Scout

Prerequisites

• Retreat to Coralhelm on the battlefield
• Squandered Resources on the battlefield
• Groundskeeper on the battlefield
• Sakura-Tribe Scout on the battlefield
• Sakura-Tribe Scout does not have summoning sickness
• You control a basic Forest

Steps

1. Activate a basic Forest by tapping it, adding
2. Activate Squandered Resources by sacrificing a basic Forest, adding
3. Activate Groundskeeper by paying , causing you to put the basic Forest from your graveyard into your hand
4. Activate Sakura-Tribe Scout by tapping it, putting the basic Forest onto the battlefield from your hand
5. The Forest enters the battlefield, triggering Retreat to Coralhelm, untapping Sakura-Tribe Scout
6. Repeat

Results

• Infinite landfall triggers