Carrion Feeder + Faces of the Past + Gravespawn Sovereign

UB identity

Commander legal

The 3 combo pieces

• Carrion Feeder
• Faces of the Past
• Gravespawn Sovereign

What must be in place

At least four other Zombies on the battlefield.

How to execute it

1. Sacrifice Carrion Feeder to itself.
2. Untap all zombies.
3. Tap 5 untapped zombies you control to return Carrion Feeder to the battlefield.
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB