Colossal Grave-Reaver + Altar of Dementia + Golgari Thug
Produces: Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers



- Color identity
- BG
Steps
- Activate Altar of Dementia by sacrificing Golgari Thug.
- When Golgari Thug dies, it triggers, putting itself from your graveyard onto the top of your library.
- Resolve the Altar of Dementia ability, causing you to mill cards equal to Golgari Thug's power, ultimately milling Golgari Thug.
- Colossal Grave-Reaver's second ability triggers, putting Golgari Thug from your graveyard onto the battlefield.
- Repeat.