Derevi, Empyrial Tactician, Faeburrow Elder, Delney, Streetwise Lookout, and Altar of Dementia

Prerequisites

• Derevi, Empyrial Tactician on the battlefield
• Faeburrow Elder on the battlefield
• Delney, Streetwise Lookout on the battlefield
• Altar of Dementia on the battlefield
• Bloom Tender does not have summoning sickness
• if you don't control a black or red permanent available

Steps

1. Activate Faeburrow Elder by tapping it, adding at least
2. Activate Altar of Dementia by sacrificing Derevi
3. Choose to return Derevi from your graveyard to the command zone
4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Derevi's power
5. Activate Derevi by paying , putting it from the command zone onto the battlefield
6. When Derevi enters the battlefield, it triggers twice
7. Resolve the first trigger, untapping Faeburrow Elder
8. Activate Faeburrow Elder by tapping it, adding at least
9. Resolve the second Derevi trigger, untapping Faeburrow Elder
10. Repeat
11. Once you have infinite mana, you may untap any other permanent(s) using Derevi

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana permanents you control can produce
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill