Darkheart Sliver + Gravecrawler + Maskwood Nexus + Prize Pig

BG identity

Commander legal

The 4 combo pieces

What must be in place

You control at least one additional Zombie.
Prize Pig does not have summoning sickness.

How to execute it

  1. Activate Gravecrawler by sacrificing itself, causing you to gain three life.
  2. Prize Pig triggers, putting three ribbon counters on it, then removing all ribbon counters on it and untapping it.
  3. Activate Prize Pig by tapping it, adding {B}.
  4. Cast Gravecrawler from your graveyard by paying {B}.
  5. Repeat.

What the combo produces