Nether Traitor, Kheru Goldkeeper, Insidious Roots, and Carrion Feeder

Prerequisites

• Nether Traitor on the battlefield
• Kheru Goldkeeper on the battlefield
• Insidious Roots on the battlefield
• Carrion Feeder on the battlefield
• available

Steps

1. Activate Carrion Feeder by sacrificing Nether Traitor
2. Activate Carrion Feeder 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 Insidious Roots triggers, creating a Treasure token, a 1/1 Plant creature token and putting a +1/+1 counter on each Plant you control
5. Resolve the Carrion Feeder ability
6. Activate the Treasure by tapping and sacrificing it, adding
7. Repeat

Results

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