Gemstone Array, Crackdown Construct, and Power Artifact

Prerequisites

• Gemstone Array on the battlefield
• Crackdown Construct on the battlefield
• Power Artifact on the battlefield
• available

Steps

1. Activate Gemstone Array's first ability by paying
2. Crackdown Construct triggers, getting +1/+1 until end of turn
3. Resolve Gemstone Array's ability, putting a charge counter on it
4. Activate Gemstone Array's second ability by removing a charge counter from it, adding
5. Repeat

Results

• Infinitely large Crackdown Construct