Cadaverous Bloom, Cloudstone Curio, Eternal Scourge, Birgi, God of Storytelling // Harnfel, Horn of Bounty, and Blessed Sanctuary

Prerequisites

• Cadaverous Bloom on the battlefield
• Cloudstone Curio on the battlefield
• Eternal Scourge in hand
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Blessed Sanctuary on the battlefield
• available

Steps

1. Activate Cadaverous Bloom by exiling Eternal Scourge from your hand, adding
2. Cast Eternal Scourge from exile for
3. Birgi triggers, adding
4. Eternal Scourge enters the battlefield, triggering Cloudstone Curio and Blessed Sanctuary
5. Resolve the Cloudstone Curio's trigger, returning nothing to your hand
6. Resolve the Blessed Sanctuary trigger, creating a 2/2 Unicorn creature token
7. The token enters, triggering Cloudstone Curio, returning Eternal Scourge from the battlefield to your hand
8. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite LTB
• Infinite storm count