Rainveil Rejuvenator + Voltaic Construct + Ygra, Eater of All

BG identity

Commander legal

The 3 combo pieces

• Rainveil Rejuvenator
• Voltaic Construct
• Ygra, Eater of All

How to execute it

1. Activate Rainveil Rejuvenator by tapping it, adding at least {G}{G}{G}
2. Activate Voltaic Construct by paying {2}, untapping Rainveil Rejuvenator.
3. Repeat

What the combo produces

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