Melira, Sylvok Outcast, Thermopod, and Persistent Constrictor

Prerequisites

• Melira, Sylvok Outcast on the battlefield
• Thermopod on the battlefield
• Persistent Constrictor on the battlefield

Steps

1. Activate Thermopod by sacrificing Persistent Constrictor
2. When Persistent Constrictor dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Melira
3. Repeat

Results

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