Retreat to Coralhelm, Scaled Herbalist, and Gruul Turf

Prerequisites

• Retreat to Coralhelm on the battlefield
• Scaled Herbalist on the battlefield
• Gruul Turf in hand
• Scaled Herbalist does not have summoning sickness

Steps

1. Activate Scaled Herbalist by tapping it, putting Gruul Turf from your hand onto the battlefield
2. Gruul Turf enters the battlefield, triggering itself and Retreat to Coralhelm
3. Resolve the Gruul Turf trigger, returning itself from the battlefield to your hand
4. Resolve the Retreat to Coralhelm trigger, untapping Scaled Herbalist
5. Repeat

Results

• Infinite landfall triggers