Birgi, God of Storytelling // Harnfel, Horn of Bounty, Crown of Flames, Tatsunari, Toad Rider, and Thermopod

Prerequisites

• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Crown of Flames in hand
• Tatsunari, Toad Rider on the battlefield
• Thermopod on the battlefield
• You don't control a Keimi token
• available

Steps

1. Cast Crown of Flames by paying
2. Birgi and Tatsunari trigger
3. Resolve the Birgi trigger, adding
4. Resolve the Tatsunari trigger, creating a 3/3 Keimi legendary creature token
5. Activate Thermopod's second ability by sacrificing Keimi, adding
6. Activate Crown of Flames' second ability by paying , returning it to your hand from the battlefield
7. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count