Astral Cornucopia + Living Brain, Mechanical Marvel + Voltaic Construct

C identity

Commander legal

The 3 combo pieces

• Astral Cornucopia
• Living Brain, Mechanical Marvel
• Voltaic Construct

How to execute it

1. Animate Astral Cornucopia using Living Brain.
2. Activate Astral Cornucopia by tapping it, adding three mana of any color
3. Activate Voltaic Construct by paying {2}, untapping Astral Cornucopia.
4. Repeat from step 2.

What the combo produces

• Infinite colored mana
• Infinite untap of artifact creatures you control