Altar of Dementia + Doubling Season + Warbeast of Gorgoroth

RG identity

Commander legal

The 3 combo pieces

What must be in place

You control another creature with power four or greater.

How to execute it

  1. Activate Altar of Dementia by sacrificing the creature with power four or greater.
  2. The creature dies, triggering Warbeast of Gorgoroth, creating a 0/0 Army creature token if you don't control one, then putting four +1/+1 counters on an Army you control.
  3. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
  4. Repeat.

What the combo produces