Marvin, Murderous Mimic, Simic Ragworm, and Kami of Whispered Hopes

Prerequisites

• Marvin, Murderous Mimic on the battlefield
• Simic Ragworm on the battlefield
• Kami of Whispered Hopes on the battlefield
• Marvin does not have summoning sickness

Steps

1. Activate Marvin using Kami of Whispered Hopes's ability by tapping it, adding at least
2. Activate Marvin using Simic Ragworm's ability by paying , untapping it
3. Repeat

Results

• Infinite colored mana