Saffi Eriksdotter, Altar of Dementia, and Karmic Guide

Prerequisites

• Saffi Eriksdotter on the battlefield
• Altar of Dementia on the battlefield
• Karmic Guide in hand

Steps

1. Activate Saffi by sacrificing it, targeting Karmic Guide Activate Altar of Dementia by sacrificing Karmic Guide When Karmic Guide dies, Saffi triggers, returning Karmic Guide from your graveyard to the battlefield
2. When Karmic Guide enters, it triggers, returning Saffi from your graveyard to the battlefield
3. Resolve the Altar of Dementia ability
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite self-mill