Earthcraft + Ghave, Guru of Spores + Good-Fortune Unicorn

WBG identity

Commander legal

The 3 combo pieces

What must be in place

There is a +1/+1 counter on a creature you control.
You control a basic land.

How to execute it

  1. Activate a basic land by tapping it, adding {1}.
  2. Activate Ghave's first ability by paying {1} and removing a +1/+1 counter from a creature you control, creating a 1/1 Saproling token.
  3. When the Saproling enters the battlefield, Good-Fortune Unicorn triggers, putting a +1/+1 counter on the Saproling.
  4. Activate Earthcraft by tapping the Saproling token, untapping a basic land.
  5. Repeat.

What the combo produces