Meria, Scholar of Antiquity + Pili-Pala + Training Grounds

GUR identity

Commander legal

The 3 combo pieces

• Meria, Scholar of Antiquity
• Pili-Pala
• Training Grounds

How to execute it

1. Activate Meria's first ability by tapping Pili-Pala, adding {G}.
2. Activate Pili-Pala by paying {1} and untapping it, adding one mana of any color.
3. Repeat.

What the combo produces

• Infinite colored mana