Ashaya, Soul of the Wild + Thermopod + Toph, the Blind Bandit

Ashaya, Soul of the Wild

Thermopod

Toph, the Blind Bandit

How it works

1. Cast Toph by paying its mana cost
2. When Toph enters, its earthbend ability triggers, causing it to earthbend itself as it is a Forest due to Ashaya.
3. Activate Thermopod by sacrificing Toph
4. When Toph dies, it triggers, returning itself from your graveyard to the battlefield tapped.
5. When Toph enters, its earthbend ability triggers, causing it to earthbend itself as it is a Forest due to Ashaya.
6. Repeat from step 3.