Marvin, Murderous Mimic + Pili-Pala + Leafkin Druid

Prerequisites

• You control four or more creatures.
• Marvin does not have summoning sickness.

Steps

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

Effects

• Infinite colored mana