Prerequisites
- Voltaic Construct on the battlefield
- Karn, the Great Creator on the battlefield
- Astral Cornucopia on the battlefield
Steps
- Animate Astral Cornucopia using Karn, the Great Creator
- Activate Astral Cornucopia by tapping it, adding at least three mana of any color Activate Voltaic Construct by paying
, untapping Astral Cornucopia
- Repeat from step 2
Results
Required Cards 3
Voltaic Construct
Artifact Creature — Golem Construct
Karn, the Great Creator
Legendary Planeswalker — Karn
Astral Cornucopia
Artifact