Crystalline Crawler, Simic Ascendancy, Conclave Mentor, and Winding Constrictor

Prerequisites

• Crystalline Crawler on the battlefield
• Simic Ascendancy on the battlefield
• Conclave Mentor on the battlefield
• Winding Constrictor on the battlefield
• available

Steps

1. Activate Simic Ascendancy by paying , putting three +1/+1 counters on Crystalline Crawler
2. Simic Ascendancy's first ability triggers, putting three growth counters on it
3. Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding
4. Repeat until Simic Ascendancy has twenty or more growth counters
5. At the beginning of your next upkeep, Simic Ascendancy triggers, causing you to win the game

Results

• Win the game at the beginning of your next upkeep