Badgermole Cub, Deserted Temple, Rings of Brighthearth, and Tectonic Split

Prerequisites

• Badgermole Cub in hand
• Deserted Temple on the battlefield
• Rings of Brighthearth on the battlefield
• Tectonic Split on the battlefield
• available

Steps

1. Cast Badgermole Cub by paying
2. When it enters, its first ability triggers, targeting any land you control
3. Activate a land you control by tapping it, adding three mana of any color due to the ability given to it by Tectonic Split
4. Badgermole Cub's second ability triggers, adding
5. Activate Deserted Temple's second ability by paying and tapping it, targeting the land
6. Rings of Brighthearth triggers, causing you to pay to copy Deserted Temple's ability, targeting Deserted Temple
7. Resolve both Deserted Temple abilities, untapping Deserted Temple and the other land
8. Repeat from step 2

Results

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