Zulaport Cutthroat, Reassembling Skeleton, Carnival of Souls, and Ashnod's Altar

Prerequisites

• Zulaport Cutthroat on the battlefield
• Reassembling Skeleton on the battlefield
• Carnival of Souls on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Reassembling Skeleton, adding
2. Zulaport Cutthroat triggers, causing each opponent to lose 1 life and you to gain 1 life
3. Activate Reassembling Skeleton by paying , returning it from your graveyard to the battlefield tapped
4. Reassembling Skeleton enters the battlefield, triggering Carnival of Souls, causing you to lose 1 life and add to your mana pool
5. Repeat

Results

• Each opponent loses the game
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers