Staff of Domination, Nyxbloom Ancient, Ioreth of the Healing House, and Coral Atoll

Prerequisites

• Staff of Domination on the battlefield
• Nyxbloom Ancient on the battlefield
• Ioreth of the Healing House on the battlefield
• Coral Atoll on the battlefield

Steps

1. Activate Coral Atoll by tapping it, adding due to Nyxbloom Ancient Activate Ioreth of the Healing House by tapping it, untapping Coral Atoll Activate Staff of Domination's third ability by paying and tapping it, untapping Ioreth of the Healing House
2. Activate Staff of Domination's first ability by paying , untapping it
3. Repeat

Results

• Infinite blue mana
• Infinite card draw
• Infinite colorless mana
• Infinite draw triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite mana permanents you control can produce
• Infinite untap of permanents you control