Glissa, the Traitor, Butcher of Malakir, Ashnod's Altar, and Ornithopter

Prerequisites

• Glissa, the Traitor on the battlefield
• Butcher of Malakir on the battlefield
• Ashnod's Altar on the battlefield
• Ornithopter on the battlefield

Steps

1. Sacrifice Ornithopter to Ashnod's Altar, adding
2. Butcher of Malakir triggers, causing each opponent to sacrifice a creature
3. Glissa triggers at least once, allowing you to return Ornithopter to your hand
4. Cast Ornithopter by paying
5. Repeat until your opponents no longer control any creatures

Results

• Near-infinite colorless mana
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers
• Near-infinite storm count
• Opponents sacrifice all their creatures every turn