Vorinclex, Voice of Hunger, Deserted Temple, Rings of Brighthearth, Wild Growth, and Gruul Turf

Prerequisites

• Vorinclex, Voice of Hunger on the battlefield
• Deserted Temple on the battlefield
• Rings of Brighthearth on the battlefield
• Wild Growth on the battlefield
• Gruul Turf on the battlefield
• Wild Growth attached to Gruul Turf

Steps

1. Activate Gruul Turf by tapping it, adding
2. Wild Growth and Vorinclex's first ability trigger, adding
3. Activate Deserted Temple's second ability by paying and tapping it, targeting itself
4. Rings of Brighthearth triggers, causing you to pay to copy Deserted Temple's ability, with the copy targeting Gruul Turf
5. Resolve both Deserted Temple abilities, untapping it and Gruul Turf
6. Repeat

Results

• Infinite mana lands you control can produce
• Infinite untap of lands you control