Nether Traitor, Kheru Goldkeeper, Ashnod's Altar, and Chalk Outline

Prerequisites

• Nether Traitor on the battlefield
• Kheru Goldkeeper on the battlefield
• Ashnod's Altar on the battlefield
• Chalk Outline on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Nether Traitor
2. Activate Ashnod's Altar 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 Chalk Outline triggers, creating a Treasure token, Clue token and creature token
5. Activate the Treasure by tapping and sacrificing it, adding
6. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite colorless mana
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite Clue tokens
• Infinite card draw
• Infinite draw triggers