Bello, Bard of the Brambles, Voltaic Construct, Leyline of Abundance, and The Great Henge

Prerequisites

• Bello, Bard of the Brambles on the battlefield
• Voltaic Construct on the battlefield
• Leyline of Abundance on the battlefield
• The Great Henge on the battlefield

Steps

1. Activate The Great Henge by tapping it, adding two mana and gaining 2 life
2. Leyline of Abundance triggers, adding at least one additional mana
3. Activate Voltaic Construct by paying , untapping The Great Henge which is an artifact creature due to Bello
4. Repeat any number of times
5. Activate The Great Henge by tapping it, adding and causing you to gain 2 life
6. Activate Voltaic Construct by paying , untapping The Great Henge
7. Repeat

Results

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