Retreat to Coralhelm, Squandered Resources, Groundskeeper, and Scaled Herbalist

Prerequisites

• Retreat to Coralhelm on the battlefield
• Squandered Resources on the battlefield
• Groundskeeper on the battlefield
• Scaled Herbalist on the battlefield
• Scaled Herbalist 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 Scaled Herbalist by tapping it, putting the basic Forest onto the battlefield from your hand
5. The Forest enters the battlefield, triggering Retreat to Coralhelm, untapping Scaled Herbalist
6. Repeat

Results

• Infinite landfall triggers