Marvin, Murderous Mimic + Farmstead Gleaner + Endrider Catalyzer

Prerequisites

• You have max speed.

Steps

1. 1Activate Marvin using Endrider Catalyzer's ability by tapping it, adding .
2. 2Activate Marvin using Farmstead Gleaner's ability by paying and untapping it, putting a +1/+1 counter on Marvin.
3. 3Repeat.

Effects

• Infinite +1/+1 counters on a creature