Ashaya, Soul of the Wild + Stone-Seeder Hierophant + Golgari Rot Farm + Llanowar Scout

Ashaya, Soul of the Wild

Stone-Seeder Hierophant

Golgari Rot Farm

Llanowar Scout

How it works

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