Breya, Etherium Shaper + Intruder Alarm + Master Transmuter + Phyrexian Altar

Mana needed: {U}

WUBR identity

Commander legal

The 4 combo pieces

What must be in place

Master Transmuter does not have summoning sickness.

How to execute it

  1. Activate Master Transmuter by paying {U}, tapping it and returning Breya from the battlefield to your hand, putting Breya onto the battlefield from your hand.
  2. Breya enters the battlefield, triggering itself and Intruder Alarm.
  3. Resolve the Breya trigger, creating two 1/1 Thopter artifact creature tokens.
  4. The Thopters enter the battlefield, triggering Intruder Alarm twice.
  5. Resolve all Intruder Alarm triggers, untapping all creatures.
  6. Activate Phyrexian Altar by sacrificing a Thopter, adding {U}.
  7. Repeat.
  8. Once you have infinite creature tokens and infinite colored mana, you may activate Breya's ability infinite times.

What the combo produces