Body Double + Metamorphosis Fanatic + Thermopod

UBR identity

Commander legal

The 3 combo pieces

• Body Double
• Metamorphosis Fanatic
• Thermopod

How to execute it

1. Cast Metamorphosis Fanatic by paying {4}{B}{B}.
2. When Metamorphosis Fanatic enters the battlefield, it triggers, targeting Body Double.
3. Holding priority, activate Thermopod by sacrificing Metamorphosis Fanatic, adding {R}.
4. Resolve the Metamorphosis Fanatic ability, returning Body Double from your graveyard to the battlefield as a copy of Metamorphosis Fanatic.
5. When Body Double enters the battlefield, it triggers, targeting Metamorphosis Fanatic.
6. Holding priority, activate Thermopod by sacrificing Body Double, adding {R}.
7. Resolve the Body Double ability, returning Metamorphosis Fanatic from your graveyard to the battlefield.
8. Repeat from step 2.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite red mana
• Infinite sacrifice triggers