Brotherhood Outcast, Thermopod, and Changing Loyalty

Prerequisites

• Brotherhood Outcast on the battlefield
• Thermopod on the battlefield
• Changing Loyalty on the battlefield

Steps

1. Activate Thermopod by sacrificing Brotherhood Outcast
2. When Brotherhood Outcast dies, Changing Loyalty triggers, returning Brotherhood Outcast from your graveyard to the battlefield
3. When Brotherhood Outcast enters the battlefield, it triggers, returning Changing Loyalty from your graveyard to the battlefield attached to Brotherhood Outcast
4. Repeat

Results

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