Grim Monolith + Pili-Pala + Trazyn the Infinite

B identity

Commander legal

The 3 combo pieces

• Grim Monolith
• Pili-Pala
• Trazyn the Infinite

How to execute it

1. Activate Trazyn using Grim Monolith's ability by tapping it, adding {C}{C}{C}.
2. Activate Trazyn using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
3. Repeat.

What the combo produces

• Infinite colored mana
• Infinite colorless mana