Argothian Elder + Marvin, Murderous Mimic + Morphling

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Marvin using Argothian Elder's ability by tapping it, untapping two lands you control.
  2. Activate the two lands by tapping them, adding at least {1}{U}.
  3. Activate Marvin using Morphling's ability by paying {U}, untapping it.
  4. Repeat.

What the combo produces