Endrider Catalyzer + Farmstead Gleaner + Marvin, Murderous Mimic

R identity

Commander legal

The 3 combo pieces

• Endrider Catalyzer
• Farmstead Gleaner
• Marvin, Murderous Mimic

What must be in place

You have max speed.

How to execute it

1. Activate Marvin using Endrider Catalyzer's ability by tapping it, adding {R}{R}.
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