Marvin, Murderous Mimic, Pili-Pala, and Selvala, Heart of the Wilds

Prerequisites

• Marvin, Murderous Mimic on the battlefield
• Pili-Pala on the battlefield
• Selvala, Heart of the Wilds on the battlefield
• available

Steps

1. Activate Marvin using Selvala's ability by paying and tapping it, adding at least
2. Activate Marvin using Pili-Pala's ability by paying and untapping it, adding one mana of any color
3. Repeat

Results

• Infinite colored mana