Badgermole Cub, Deserted Temple, Rings of Brighthearth, and Lotus Field

Prerequisites

• Badgermole Cub in hand
• Deserted Temple on the battlefield
• Rings of Brighthearth on the battlefield
• Lotus Field on the battlefield
• available

Steps

1. Cast Badgermole Cub by paying
2. When it enters, its first ability triggers, targeting Lotus Field Activate Lotus Field by tapping it, adding three mana of any color
3. Badgermole Cub's second ability triggers, adding
4. Activate Deserted Temple's second ability by paying and tapping it, targeting Lotus Field
5. Rings of Brighthearth triggers, causing you to pay to copy Deserted Temple's ability, targeting Deserted Temple
6. Resolve both Deserted Temple abilities, untapping Deserted Temple and Lotus Field Repeat from step 2

Results

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