Crackdown Construct, and Kazuul's Toll Collector

Prerequisites

• Crackdown Construct on the battlefield
• Kazuul's Toll Collector on the battlefield
• You control an Equipment

Steps

1. Activate Kazuul's Toll Collector by paying , targeting any Equipment you control
2. Crackdown Construct triggers, giving itself +1/+1 until end of turn
3. Resolve the Kazuul's Toll Collector ability, attaching the Equipment to it
4. Repeat

Results

• Infinitely large Crackdown Construct until end of turn