Adarkar Valkyrie + Altar of Dementia + Intruder Alarm

WU identity

Commander legal

The 3 combo pieces

What must be in place

Adarkar Valkyrie does not have summoning sickness.
You control at least one additional nontoken creature.

How to execute it

  1. Activate Adarkar Valkyrie by tapping it, targeting another nontoken creature you control.
  2. Activate Altar of Dementia by sacrificing the creature targeted in step 1.
  3. When the creature dies, Adarkar Valkyrie triggers, returning the sacrificed creature from your graveyard to the battlefield.
  4. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
  6. Repeat.

What the combo produces