Marvin, Murderous Mimic, Pili-Pala, and Joraga Treespeaker

Prerequisites

• Marvin, Murderous Mimic on the battlefield
• Pili-Pala on the battlefield
• Joraga Treespeaker on the battlefield
• Marvin does not have summoning sickness and has at least one level counter on it

Steps

1. Activate Marvin using Joraga Treespeaker's ability by tapping it, adding
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