Reveillark, Body Double, and Thermopod

Prerequisites

• Reveillark in the graveyard
• Body Double on the battlefield
• Thermopod on the battlefield

Steps

1. Activate Thermopod by sacrificing Body Double, adding When Body Double leaves the battlefield, it triggers its Reveillark ability, returning itself from your graveyard to the battlefield as a copy of Reveillark
2. Repeat

Results

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