Ashnod's Altar + Nim Deathmantle + Ratadrabik of Urborg

WB identity

Commander legal

The 3 combo pieces

What must be in place

You control another nontoken legendary creature.

How to execute it

  1. Activate Ashnod's Altar by sacrificing another legendary creature you control, adding {C}{C}.
  2. The creature dies, triggering Ratadrabik and Nim Deathmantle.
  3. Resolve the Ratadrabik trigger, creating a nonlegendary token copy of the creature that is a 2/2 Zombie in addition to its other types.
  4. Activate Ashnod's Altar by sacrificing the Zombie, adding {C}{C}.
  5. Resolve the Nim Deathmantle trigger from step 2, returning the legendary creature from your graveyard to the battlefield, and attaching Nim Deathmantle to it.
  6. Repeat.

What the combo produces