Xenic Poltergeist, Voltaic Construct, and Chromatic Orrery

Prerequisites

• Xenic Poltergeist on the battlefield
• Voltaic Construct on the battlefield
• Chromatic Orrery on the battlefield
• Xenic Poltergeist and Chromatic Orrery do not have summoning sickness

Steps

1. Activate Xenic Poltergeist by tapping it, causing Chromatic Orrery to become an artifact creature until end of turn
2. Activate Chromatic Orrery's first ability by tapping it, adding
3. Activate Voltaic Construct by paying , untapping Chromatic Orrery
4. Repeat from step 2

Results

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana