Drafna, Founder of Lat-Nam, Corridor Monitor, and Chromatic Orrery

Prerequisites

• Drafna, Founder of Lat-Nam on the battlefield
• Corridor Monitor on the battlefield
• Chromatic Orrery on the battlefield

Steps

1. Activate Chromatic Orrery's first ability by tapping it, adding
2. Activate Drafna's first ability by paying , returning Corridor Monitor from the battlefield to your hand
3. Cast Corridor Monitor by paying
4. When Corridor Monitor enters the battlefield, it triggers, untapping Chromatic Orrery
5. Repeat
6. Once you have infinite mana, you may instead activate Chromatic Orrery's second ability to draw infinite cards

Results

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite storm count
• Infinite untap of artifacts you control
• Infinite untap of creatures you control