Staff of Domination, Nyxbloom Ancient, Scorched Ruins, and Tidewater Minion

Prerequisites

• Staff of Domination on the battlefield
• Nyxbloom Ancient on the battlefield
• Scorched Ruins on the battlefield
• Tidewater Minion on the battlefield

Steps

1. Activate Scorched Ruins by tapping it, adding twelve due to Nyxbloom Ancient
2. Activate Tidewater Minion by tapping it, untapping Scorched Ruins Activate Staff of Domination's third ability by paying and tapping it, untapping Tidewater Minion
3. Activate Staff of Domination's first ability by paying , untapping it
4. Repeat

Results

• 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