Ashaya, Soul of the Wild + Stone-Seeder Hierophant + Karoo + Kor Skyfisher

Ashaya, Soul of the Wild

Stone-Seeder Hierophant

Karoo

Kor Skyfisher

How it works

1. Activate Karoo by tapping it, adding C.
2. Cast Kor Skyfisher by paying its mana cost.
3. When Kor Skyfisher enters as a land due to Ashaya, it and Stone-Seeder Hierophant trigger.
4. Resolve the Kor Skyfisher trigger, returning it from your graveyard to the battlefield.
5. Resolve the Stone-Seeder Hierophant trigger, untapping it.
6. Activate Stone-Seeder Hierophant by tapping it, untapping Karoo.
7. Repeat.