Deeproot Pilgrimage + Earthcraft + Intruder Alarm

GU identity

Commander legal

The 3 combo pieces

What must be in place

There is at least one basic land on the battlefield.

How to execute it

  1. Activate Earthcraft by tapping a nontoken Merfolk you control, targeting any basic land.
  2. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
  3. When the Merfolk enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  4. Resolve the Earthcraft ability, untapping the basic land.
  5. If you controlled the basic land, you may activate it by tapping it, adding {1}.
  6. Repeat.

What the combo produces