Thermopod, and Zameck Guildmage

Prerequisites

• Thermopod on the battlefield
• Zameck Guildmage on the battlefield
• available

Steps

1. Activate Zameck Guildmage's first ability by paying
2. Activate Thermopod by sacrificing the persist creature
3. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Zameck Guildmage
4. Repeat from step 2

Results

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