PuPu UFO + Tideforce Elemental + Trench Behemoth

U identity

Commander legal

The 3 combo pieces

What must be in place

You control a land that enters the battlefield untapped and can tap to produce at least {U}.
Tideforce Elemental and PuPu UFO do not have summoning sickness.

How to execute it

  1. Activate a land by tapping it, adding at least {U}.
  2. Activate Tideforce Elemental by paying {U} and tapping it, untapping PuPu UFO.
  3. Activate Trench Behemoth by returning the land from the battlefield to your hand, untapping it.
  4. Activate PuPu UFO by tapping it, putting the land from your hand to the battlefield.
  5. When the land enters the battlefield, Tideforce Elemental triggers, untapping it.
  6. Repeat.

What the combo produces