Ashaya, Soul of the Wild, Stone-Seeder Hierophant, Izzet Boilerworks, and Llanowar Scout

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Izzet Boilerworks in hand
• Llanowar Scout on the battlefield

Steps

1. Activate Llanowar Scout by tapping it, putting Izzet Boilerworks from your hand onto the battlefield
2. When Izzet Boilerworks enters, it and Stone-Seeder Hierophant trigger
3. Resolve the Izzet Boilerworks trigger, returning it from the battlefield to your hand
4. Resolve the Stone-Seeder Hierophant trigger, untapping it
5. Activate Stone-Seeder Hierophant by tapping it, untapping Llanowar Scout as it is a land due to Ashaya
6. Repeat

Results

• Infinite landfall triggers