Prerequisites
- Voltaic Construct on the battlefield
- Coveted Jewel in exile
- Myr Welder on the battlefield
Steps
- Activate Myr Welder using Coveted Jewel's ability by tapping it, adding three mana of any color
- Activate Voltaic Construct by paying , untapping Myr Welder
- Repeat
Results
Required Cards 3
Voltaic Construct
Artifact Creature — Golem Construct
Myr Welder
Artifact Creature — Myr