Spider-Man India, Crystalline Crawler, Kor Skyfisher, and Birgi, God of Storytelling // Harnfel, Horn of Bounty

Prerequisites

• Spider-Man India on the battlefield
• Crystalline Crawler on the battlefield
• Kor Skyfisher in hand
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• available

Steps

1. Cast Kor Skyfisher by paying
2. Birgi and Spider-Man India trigger, adding and putting a +1/+1 counter on Crystalline Crawler
3. When Kor Skyfisher enters, it triggers, returning itself from the battlefield to your hand
4. Activate Crystalline Crawler by removing a +1/+1 counter from it, adding
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count