Kheru Goldkeeper, and Tortured Existence

Prerequisites

• Kheru Goldkeeper on the battlefield
• Tortured Existence on the battlefield
• undefined available

Steps

1. Activate Tortured Existence by paying and discarding a creature card, returning another creature card from your graveyard to your hand
2. Kheru Goldkeeper triggers, creating a Treasure token
3. Activate the Treasure by tapping and sacrificing it, adding
4. Repeat

Results

• Infinite self-discard triggers