Gravecrawler + Phyrexian Altar

B identity

Commander legal

The 2 combo pieces

• Gravecrawler
• Phyrexian Altar

What must be in place

You control an additional Zombie.

How to execute it

1. Activate Phyrexian Altar by sacrificing Gravecrawler, adding {B}.
2. Cast Gravecrawler from your graveyard by paying {B}.
3. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count