Ashnod's Altar + Bolas's Citadel + Mortuary + Phyrexian Walker

B identity

Commander legal

The 4 combo pieces

• Ashnod's Altar
• Bolas's Citadel
• Mortuary
• Phyrexian Walker

How to execute it

1. Activate Ashnod's Altar by sacrificing Phyrexian Walker
2. When Phyrexian Walker dies, Mortuary triggers, putting Phyrexian Walker from your graveyard onto the top of your library.
3. Cast Phyrexian Walker from the top of your library by paying 0 life.
4. Repeat.

What the combo produces

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