Robaran Mercenaries, Fain, the Broker, Marwyn, the Nurturer, and Chromatic Orrery

Prerequisites

• Robaran Mercenaries on the battlefield
• Fain, the Broker on the battlefield
• Marwyn, the Nurturer on the battlefield
• Chromatic Orrery on the battlefield
• undefined

Steps

1. Activate Robaran Mercenaries using Marwyn's ability by tapping it, adding at least
2. Activate Robaran Mercenaries using Fain's fourth ability by paying , untapping Robaran Mercenaries
3. Repeat

Results

• Infinite colored mana