Clock of Omens, Empowered Autogenerator, Grim Monolith, and Staff of Domination

Prerequisites

• Clock of Omens on the battlefield
• Empowered Autogenerator on the battlefield
• Grim Monolith on the battlefield
• Staff of Domination on the battlefield
• Empowered Autogenerator has at least four charge counters on it

Steps

1. Activate Empowered Autogenerator by tapping it, putting a charge counter on it and adding at least five mana of any color
2. Activate Clock of Omens by tapping Staff of Domination and Grim Monolith, untapping Empowered Autogenerator
3. Activate Grim Monolith's second ability by paying , untapping it
4. Activate Staff of Domination's first ability by paying , untapping it
5. Repeat
6. Once you have infinite mana, you may use it to activate Staff of Domination's other abilities and/or untap any artifact(s) you control

Results

• Infinite card draw
• Infinite charge counters on Empowered Autogenerator
• Infinite colored mana
• Infinite draw triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite untap of artifacts you control
• Infinite untap of creatures you control