Ivy Lane Denizen + Marath, Will of the Wild + Phyrexian Altar

RGW identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Marath by paying {1} and removing a +1/+1 counter from it, creating a 1/1 Elemental creature token.
  2. Ivy Lane Denizen triggers, causing you to put a +1/+1 counter on Marath.
  3. Activate Phyrexian Altar by sacrificing the Elemental, adding {1}.
  4. Repeat.

What the combo produces