Ashaya, Soul of the Wild, Rootpath Purifier, Murasa Rootgrazer, Retreat to Coralhelm, and Kobolds of Kher Keep

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Rootpath Purifier on the battlefield
• Murasa Rootgrazer on the battlefield
• Retreat to Coralhelm on the battlefield
• Kobolds of Kher Keep on the battlefield
• Murasa Rootgrazer does not have summoning sickness

Steps

1. Activate Murasa Rootgrazer's second ability by tapping it, returning Kobolds of Kher Keep to your hand from the battlefield
2. Cast Kobolds of Kher Keep by paying
3. When Kobolds of Kher Keep enters the battlefield, Retreat to Coralhelm triggers, untapping Murasa Rootgrazer
4. Repeat

Results

• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite storm count