Marvin, Murderous Mimic + Pili-Pala + Leafkin Druid

Marvin, Murderous Mimic

Pili-Pala

Leafkin Druid

How it works

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

This charming mana loop centers on Marvin, Murderous Mimic, who acts as a living conduit for the rest of your board by inheriting all their activated abilities. By copying Leafkin Druid, Marvin gains the ability to tap for green mana, which is easily scaled up to two green mana if you control four or more creatures. Crucially, Marvin also borrows Pili-Pala's untap ability, allowing you to spend a portion of that floating mana to untap Marvin and repeat the process indefinitely. The result is an engine that generates infinite colored mana to fuel the rest of your turn.