Ashaya, Soul of the Wild + Blasting Station + Toph, the Blind Bandit

Ashaya, Soul of the Wild

Blasting Station

Toph, the Blind Bandit

How it works

1. Cast Toph by paying its mana cost plus commander tax if applicable
2. When Toph enters, its earthbend ability and Blasting Station trigger.
3. Resolve the Toph trigger, causing it to earthbend itself as it is a Forest due to Ashaya.
4. Resolve the Blasting Station trigger, untapping it.
5. Activate Blasting Station by tapping it and sacrificing Toph
6. When Toph dies, it triggers, returning itself from your graveyard to the battlefield tapped.
7. Repeat steps 2 through 4 one additional time.
8. Resolve the Blasting Station ability from step 5.
9. Repeat from step 5.