Crackdown Construct, and Varchild's Crusader

Prerequisites

• Crackdown Construct on the battlefield
• Varchild's Crusader on the battlefield

Steps

1. Activate Varchild's Crusader's ability
2. Hold priority and repeat this an arbitrarily large number of times
3. Resolve the Crackdown Construct triggers, making Crackdown Construct arbitrarily large

Results

• Infinitely large Crackdown Construct