Arixmethes, Slumbering Isle + Farmstead Gleaner + Marvin, Murderous Mimic

GU identity

Commander legal

The 3 combo pieces

• Arixmethes, Slumbering Isle
• Farmstead Gleaner
• Marvin, Murderous Mimic

How to execute it

1. Activate Marvin using Arixmethes's ability by tapping it, adding {G}{U}.
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 blue mana
• Infinite green mana