Ashnod's Altar + Gravecrawler + Signpost Scarecrow

B identity

Commander legal

The 3 combo pieces

What must be in place

You control an additional Zombie.

How to execute it

  1. Activate Ashnod's Altar by sacrificing Gravecrawler, adding {C}{C}.
  2. Activate Signpost Scarecrow by paying {2}, adding {B}.
  3. Cast Gravecrawler from your graveyard by paying {B}.
  4. Repeat.

What the combo produces