Master Transmuter, Sewer-veillance Cam, and Coveted Jewel

Prerequisites

• Master Transmuter on the battlefield
• Sewer-veillance Cam in hand
• Coveted Jewel on the battlefield

Steps

1. Activate Coveted Jewel by tapping it, adding at least
2. Activate Master Transmuter by paying , tapping it, and returning Coveted Jewel from the battlefield to your hand, putting Sewer-veillance Cam from your hand onto the battlefield
3. When Sewer-veillance Cam enters, it triggers, allowing you to untap Master Transmuter
4. Activate Master Transmuter by paying , tapping it, and returning Sewer-veillance Cam from the battlefield to your hand, putting Coveted Jewel from your hand onto the vattlefield
5. When Sewer-veillance Cam leaves the battlefield, it triggers, allowing you to untap Master Transmuter
6. Repeat

Results

• Infinite colored mana