Stalwart Successor, Thermopod, and Safehold Elite

Prerequisites

• Stalwart Successor on the battlefield
• Thermopod on the battlefield
• Safehold Elite on the battlefield

Steps

1. Activate Thermopod by sacrificing Safehold Elite When Safehold Elite dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Safehold Elite enters, Stalwart Successor triggers, putting a +1/+1 counter on Safehold Elite Repeat

Results

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