Ashaya, Soul of the Wild + Stone-Seeder Hierophant + Llanowar Scout + Simic Growth Chamber

Ashaya, Soul of the Wild

Stone-Seeder Hierophant

Llanowar Scout

Simic Growth Chamber

How it works

1. Activate Llanowar Scout by tapping it, putting Simic Growth Chamber from your hand onto the battlefield.
2. When Simic Growth Chamber enters, it and Stone-Seeder Hierophant trigger.
3. Resolve the Simic Growth Chamber 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.