Crystalline Crawler, Dancing from Dark to Dawn, and Kor Skyfisher

Prerequisites

• Crystalline Crawler on the battlefield
• Dancing from Dark to Dawn on the battlefield
• Kor Skyfisher in hand
• available

Steps

1. Cast Kor Skyfisher by paying its mana cost
2. Dancing from Dark to Dawn's first ability triggers, putting two +1/+1 counters on Crystalline Crawler
3. Resolve the Kor Skyfisher spell
4. When it enters, it triggers, returning itself from the battlefield to your hand
5. Activate Crystalline Crawler twice by removing two +1/+1 counters from it, adding
6. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count