The Thirteenth Doctor, Crystalline Crawler, Gravecrawler, and Viscera Seer

Prerequisites

• The Thirteenth Doctor on the battlefield
• Crystalline Crawler on the battlefield
• Gravecrawler on the battlefield
• Viscera Seer on the battlefield
• available

Steps

1. Activate Viscera Seer by sacrificing Gravecrawler, causing you to scry 1
2. Cast Gravecrawler from your graveyard by paying
3. The Thirteenth Doctor's first ability triggers, putting a +1/+1 counter on Crystalline Crawler
4. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite scry 1
• Infinite storm count