Thermopod, and First Day of Class

Prerequisites

• Thermopod on the battlefield
• First Day of Class in hand
• available

Steps

1. Cast First Day of Class 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 with a -1/-1 counter on it
4. When the persist creature enters, First Day of Class triggers, putting a +1/+1 counter on the persist creature
5. Repeat from step 2

Results

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