Sigarda's Summons, Bishop of Wings, Bloodspore Thrinax, and Thermopod

Prerequisites

• Sigarda's Summons on the battlefield
• Bishop of Wings on the battlefield
• Bloodspore Thrinax on the battlefield
• Thermopod on the battlefield

Steps

1. Activate Thermopod's second ability by sacrificing an Angel, adding
2. Bishop of Wings triggers, creating a 1/1 Spirit creature token
3. The Spirit enters the battlefield with at least one +1/+1 counter and becomes a 4/4 Spirit Angel due to having a +1/+1 counter on it
4. Bishop of Wings triggers, causing you to gain four life
5. Activate Thermopod's second ability by sacrificing the Spirit token, adding
6. Repeat from step 2

Results

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