Altar of Dementia + Gravecrawler + Merrow Bonegnawer + Paradise Mantle

B identity

Commander legal

The 4 combo pieces

What must be in place

Paradise Mantle attached to Merrow Bonegnawer.
Merrow Bonegnawer does not have summoning sickness.
You control at least one additional Zombie.

How to execute it

  1. Activate Merrow Bonegnawer by tapping it, adding {B}.
  2. Activate Altar of Dementia by sacrificing Gravecrawler, causing target player to mill cards equal to Gravecrawler's power.
  3. Cast Gravecrawler by paying {B}.
  4. Merrow Bonegnawer triggers, untapping itself.
  5. Repeat.

What the combo produces