Earthcraft + Fertile Ground + Morphling

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate the basic land with Fertile Ground attached by tapping it, adding at least {1}.
  2. Fertile Ground triggers, adding {U}.
  3. Activate Earthcraft by tapping Morphling, untapping the basic land.
  4. Activate Morphling's first ability by paying {U}, untapping it.
  5. Repeat.
  6. If the basic land is an Island, you may add mana of any color using Fertile Ground's trigger, and you may infinitely repeat steps 3-4 with any other basic land you control.

What the combo produces