Ashnod's Altar + Extractor Demon + Malevolent Chandelier + Quintorius, Field Historian

RWB identity

Commander legal

The 4 combo pieces

• Ashnod's Altar
• Extractor Demon
• Malevolent Chandelier
• Quintorius, Field Historian

How to execute it

1. Activate Ashnod's Altar by sacrificing another creature, adding {C}{C}.
2. When the creature dies, Extractor Demon triggers, causing you to mill two cards if your graveyard is empty, or causing an opponent to mill two cards otherwise.
3. If your library is empty, activate Malevolent Chandelier by paying {2}, putting a card from your graveyard onto the bottom of your library.
4. Quintorius triggers, creating a 3/2 Spirit creature token.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Near-infinite colorless mana