Anafenza, Unyielding Lineage + Nether Traitor + Kheru Goldkeeper + Altar of Dementia

Anafenza, Unyielding Lineage

Nether Traitor

Kheru Goldkeeper

Altar of Dementia

How it works

1. Activate Altar of Dementia by sacrificing Nether Traitor.
2. When Nether Traitor dies, Anafenza triggers, creating a 2/2 Spirit creature token.
3. Resolve the Altar of Dementia ability.
4. Activate Altar of Dementia by sacrificing the Spirit.
5. When the Spirit dies, Nether Traitor triggers, causing you to pay to return Nether Traitor from your graveyard to the battlefield.
6. Kheru Goldkeeper triggers, creating a Treasure token.
7. Resolve the Altar of Dementia ability.
8. Activate the Treasure by tapping and sacrificing it, adding .
9. Repeat.