Crackdown Construct, and Grafted Wargear

Prerequisites

• Crackdown Construct on the battlefield
• Grafted Wargear on the battlefield

Steps

1. Activate Grafted Wargear's ability targeting Crackdown Construct
2. Crackdown Construct gets +1/+1 until end of turn
3. Repeat

Results

• Infinitely large Crackdown Construct