Sek'Kuar, Deathkeeper, Warren Soultrader, Nether Traitor, and Vengeful Bloodwitch

Prerequisites

• Sek'Kuar, Deathkeeper on the battlefield
• Warren Soultrader on the battlefield
• Nether Traitor on the battlefield
• Vengeful Bloodwitch on the battlefield
• Your life total is at least 2

Steps

1. Activate Warren Soultrader by sacrificing Nether Traitor and paying 1 life
2. When Nether Traitor dies, Vengeful Bloodwitch and Sek'Kuar trigger
3. Resolve the Vengeful Bloodwitch trigger, causing you to gain 1 life and an opponent to lose 1 life
4. Resolve the Sek'Kuar trigger, creating a 3/1 Graveborn creature token
5. Resolve the Warren Soultrader ability, creating a Treasure token
6. Activate the Treasure by tapping and sacrificing it, adding
7. Activate Warren Soultrader by paying 1 life and sacrificing the Graveborn
8. When the Graveborn dies, Vengeful Bloodwitch and Nether Traitor trigger
9. Resolve the Vengeful Bloodwitch trigger, causing you to gain 1 life and an opponent to lose 1 life
10. Resolve the Nether Traitor trigger, causing you to pay to return Nether Traitor from your graveyard to the battlefield
11. Resolve the Warren Soultrader ability, creating a Treasure token
12. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite Treasure tokens