Chrome Dome, Sewer-veillance Cam, and Vhal, Candlekeep Researcher

Prerequisites

• Chrome Dome on the battlefield
• Sewer-veillance Cam on the battlefield
• Vhal, Candlekeep Researcher on the battlefield

Steps

1. Activate Vhal by tapping it, adding at least that cannot be spent to cast spells from your hand
2. Activate Chrome Dome by paying , creating a token copy of Sewer-veillance Cam
3. When the Sewer-veillance Cam token enters, it triggers, untapping Vhal
4. Repeat

Results

• Infinite colorless mana that can't be spent to cast spells from your hand
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control