Birgi, God of Storytelling // Harnfel, Horn of Bounty, Shivan Devastator, and Enduring Renewal

Prerequisites

• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Shivan Devastator in hand
• Enduring Renewal on the battlefield
• available

Steps

1. Cast Shivan Devastator by paying
2. Birgi triggers, adding
3. Shivan Devastator enters the battlefield and dies as a state-based action due to having zero toughness
4. Enduring Renewal triggers, returning Shivan Devastator from your graveyard to your hand
5. Repeat

Results

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