The Master, Transcendent, Thornbite Staff, Altar of Dementia, and Golgari Thug

Prerequisites

• The Master, Transcendent on the battlefield
• Thornbite Staff on the battlefield
• Altar of Dementia on the battlefield
• Golgari Thug on the battlefield
• Thornbite Staff attached to The Master
• The Master does not have summoning sickness

Steps

1. Activate Altar of Dementia by sacrificing Golgari Thug
2. When Golgari Thug dies, its first ability and The Master trigger
3. Resolve the Golgari Thug trigger, putting it from your graveyard on top of your library
4. Resolve the Master trigger, untapping it
5. Resolve the Altar of Dementia ability, causing you to mill Golgari Thug from your library
6. Activate The Master by tapping it, putting Golgari Thug from your graveyard onto the battlefield
7. Repeat

Results

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