Altar of Dementia + Basri's Lieutenant + Grumgully, the Generous

RGW identity

Commander legal

The 3 combo pieces

What must be in place

You control at least one additional creature with at least one +1/+1 counter.

How to execute it

  1. Activate Altar of Dementia by sacrificing a creature with at least one +1/+1 counter.
  2. Basri's Lieutenant trigger, creating a 2/2 Knight token.
  3. When Knight token enters the battlefield, Grumgully triggers, putting a +1/+1 counter on Knight token.
  4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
  5. Repeat.

What the combo produces