Heronblade Elite + Voltaic Construct + Ygra, Eater of All

BG identity

Commander legal

The 3 combo pieces

• Heronblade Elite
• Voltaic Construct
• Ygra, Eater of All

How to execute it

1. Activate Heronblade Elite by tapping it, adding at least three mana of any color
2. Activate Voltaic Construct by paying {2}, untapping Heronblade Elite.
3. Repeat

What the combo produces

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