Nether Traitor, Kheru Goldkeeper, Bloodflow Connoisseur, and Teval, the Balanced Scale

Prerequisites

• Nether Traitor on the battlefield
• Kheru Goldkeeper on the battlefield
• Bloodflow Connoisseur on the battlefield
• Teval, the Balanced Scale on the battlefield
• available

Steps

1. Activate Bloodflow Connoisseur by sacrificing Nether Traitor
2. Activate Bloodflow Connoisseur by sacrificing another creature
3. When the creature dies, Nether Traitor triggers, causing you to pay to return Nether Traitor from your graveyard to the battlefield
4. Kheru Goldkeeper and Teval triggers, creating a Treasure token and a creature token Resolve the Bloodflow Connoisseur ability
5. Activate the Treasure by tapping and sacrificing it, adding
6. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers