Thermopod, Lesser Masticore, and Thran Vigil

Prerequisites

• Thermopod on the battlefield
• Lesser Masticore on the battlefield
• Thran Vigil on the battlefield

Steps

1. Activate Thermopod by sacrificing Lesser Masticore
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Thran Vigil triggers, putting a +1/+1 counter on Lesser Masticore
4. Repeat

Results

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