Bolas's Citadel + Memnite + Mortuary + Phyrexian Altar

B identity

Commander legal

The 4 combo pieces

• Bolas's Citadel
• Memnite
• Mortuary
• Phyrexian Altar

How to execute it

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

What the combo produces

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