How can you create a combo with Derevi, Empyrial Tactician, Faeburrow Elder, Delney, Streetwise Lookout, Altar of Dementia?
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[START OF COMBO]This combo can be formed with Derevi, Empyrial Tactician, Faeburrow Elder, Delney, Streetwise Lookout, Altar of Dementia

Color identity: GWU
Mana cost: {1} if you don't control a black or red permanent
Steps:
  1. Activate Faeburrow Elder by tapping it, adding at least {G}{W}{U}.
  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 {1}{G}{W}{U}, 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 {G}{W}{U}.
  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.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mana permanents you control can produce
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Bloom Tender does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant