Bog Initiate, Fain, the Broker, Marwyn, the Nurturer, and Robaran Mercenaries

Prerequisites

• Bog Initiate on the battlefield
• Fain, the Broker on the battlefield
• Marwyn, the Nurturer on the battlefield
• Robaran Mercenaries on the battlefield
• Robaran Mercenaries does not have summoning sickness
• Robaran Mercenaries has power 5 or greater

Steps

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

Results

• Infinite black mana
• Infinite green mana