Bello, Bard of the Brambles + Khalni Gem + Leyline of Abundance + Voltaic Construct

RG identity

Commander legal

The 4 combo pieces

• Bello, Bard of the Brambles
• Khalni Gem
• Leyline of Abundance
• Voltaic Construct

How to execute it

1. Activate Khalni Gem by tapping it, adding two mana.
2. Leyline of Abundance triggers, adding at least one additional mana.
3. Activate Voltaic Construct by paying {2}, untapping Khalni Gem which is an artifact creature due to Bello.
4. Repeat any number of times.

What the combo produces

• Infinite +1/+1 counters on creatures you control
• Infinite colored mana
• Infinite mana artifact creatures you control can produce
• Infinite mana artifacts you control can produce
• Infinite mana most artifacts you control can produce
• Infinite untap of artifacts you control