Intruder Alarm + March of the Machines + Maskwood Nexus

U identity

Commander legal

The 3 combo pieces

What must be in place

Creatures you control can tap to produce at least {3}.
Maskwood Nexus does not have summoning sickness.

How to execute it

  1. Activate any number of mana-producing creatures you control by tapping them, adding at least {3}.
  2. Activate Maskwood Nexus by paying {3} and tapping it, creating a 2/2 Shapeshifter creature token.
  3. When the Shapeshifter enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  4. Repeat.
  5. If creatures you control can tap to produce at least {4}, this combo nets infinite mana.

What the combo produces