Fain, the Broker + Nyxbloom Ancient + Robaran Mercenaries + Zaxara, the Exemplary

GWUB identity

Commander legal

The 4 combo pieces

• Fain, the Broker
• Nyxbloom Ancient
• Robaran Mercenaries
• Zaxara, the Exemplary

What must be in place

Robaran Mercenaries does not have summoning sickness.

How to execute it

1. Activate Robaran Mercenaries using Zaxara's ability by tapping it, adding at least six {B}.
2. Activate Robaran Mercenaries using Fain's fourth ability by paying {3}{B}, untapping Robaran Mercenaries.
3. Repeat.

What the combo produces

• Infinite colored mana