Dual Nature, Rot Hulk, and Thermopod

Prerequisites

• Dual Nature on the battlefield
• Rot Hulk in hand
• Thermopod on the battlefield
• available

Steps

1. Cast Rot Hulk by paying
2. When Rot Hulk enters the battlefield, it and Dual Nature trigger
3. Holding priority, activate Thermopod's second ability by sacrificing Rot Hulk, adding
4. Dual Nature's second ability triggers, exiling all tokens named Rot Hulk
5. Resolve the Rot Hulk trigger from step 2, failing to return anything to the battlefield
6. Resolve the Dual Nature trigger from step 2, creating a token copy of Rot Hulk
7. When the token copy of Rot Hulk enters the battlefield, it triggers, returning Rot Hulk from your graveyard to the battlefield
8. Repeat from step 2

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite red mana
• Infinite sacrifice triggers
• Return all Zombies from your graveyard to the battlefield