Mikaeus, the Unhallowed, Thermopod, and Brambleback Brute

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Thermopod on the battlefield
• Brambleback Brute on the battlefield

Steps

1. Activate Thermopod by sacrificing Brambleback Brute
2. When Brambleback Brute dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect
3. Repeat

Results

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