Quintorius, Field Historian, Birgi, God of Storytelling // Harnfel, Horn of Bounty, Undying Rage, and Ashnod's Altar

Prerequisites

• Quintorius, Field Historian on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Undying Rage in hand
• Ashnod's Altar on the battlefield
• You control at least one additional creature
• available

Steps

1. Cast Undying Rage by paying , targeting another creature you control
2. Birgi triggers, adding
3. Activate Ashnod's Altar by sacrificing the creature with Undying Rage attached, adding
4. Undying Rage triggers, returning itself from your graveyard to your hand
5. Quintorius triggers, creating a 3/2 Spirit creature token
6. Repeat

Results

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