Simic Ascendancy, Crystalline Crawler, and Pemmin's Aura

Prerequisites

• Simic Ascendancy on the battlefield
• Crystalline Crawler on the battlefield
• Pemmin's Aura on the battlefield
• Crystalline Crawler does not have summoning sickness
• Pemmin's Aura attached to Crystalline Crawler

Steps

1. Activate Crystalline Crawler's second ability by tapping it, putting a +1/+1 counter on it
2. Simic Ascendancy's second ability triggers, putting a growth counter on it
3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
4. Activate Pemmin's Aura's first ability by paying , untapping Crystalline Crawler
5. Repeat until Simic Ascendancy has at least twenty growth counters on it
6. At the beginning of your next upkeep, Simic Ascendancy's third ability triggers, causing you to win the game

Results

• Win the game at the beginning of your next upkeep