Farmstead Gleaner + Marvin, Murderous Mimic + Viridian Joiner

G identity

Commander legal

The 3 combo pieces

• Farmstead Gleaner
• Marvin, Murderous Mimic
• Viridian Joiner

How to execute it

1. Activate Marvin using Viridian Joiner's ability by tapping it, adding at least {G}{G}
2. Activate Marvin using Farmstead Gleaner's ability by paying {2} and untapping it, putting a +1/+1 counter on Marvin.
3. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite green mana