Staff of Domination, and Alena, Kessig Trapper

Prerequisites

• Staff of Domination on the battlefield
• Alena, Kessig Trapper on the battlefield

Steps

1. Activate Alena by tapping it, adding at least
2. Activate Staff of Domination's third ability by paying and tapping it, untapping Alena
3. Activate Staff of Domination's first ability by paying , untapping it
4. Repeat

Results

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