Toph, the First Metalbender, Yavimaya, Cradle of Growth, Staff of Domination, and Nyxbloom Ancient

Prerequisites

• Toph, the First Metalbender on the battlefield
• Yavimaya, Cradle of Growth on the battlefield
• Staff of Domination on the battlefield
• Nyxbloom Ancient on the battlefield

Steps

1. Activate Staff of Domination by tapping it, adding as it's a Forest land due to Toph and Yavimaya, and adding another due to Nyxbloom Ancient Activate Staff of Domination's first ability by paying , untapping it
2. Repeat

Results

• Infinite lifegain triggers
• Infinite lifegain
• Infinite card draw
• Infinite green mana
• Infinite untap of creatures you control
• Infinite draw triggers
• Infinite mana creatures you control can produce