Voltaic Key, Rings of Brighthearth, and Chromatic Orrery

Prerequisites

• Voltaic Key on the battlefield
• Rings of Brighthearth on the battlefield
• Chromatic Orrery on the battlefield
• undefined

Steps

1. Activate Chromatic Orrery's first ability by tapping it, adding
2. Activate Voltaic Key by paying and tapping it, targeting itself
3. Rings of Brighthearth triggers, causing you to pay to copy Voltaic Key's ability, targeting Chromatic Orrery
4. Resolve both Voltaic Key abilities, untapping it and Chromatic Orrery
5. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite untap of artifacts you control
• Infinite card draw
• Infinite draw triggers