How can you create a combo with Ulamog's Dreadsire, Thornbite Staff, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Ulamog's Dreadsire, Thornbite Staff, Altar of Dementia

Color identity: C
Mana cost: 
Steps:
  1. Activate Ulamog's Dreadsire by tapping it, creating a 10/10 Eldrazi creature tokens.
  2. Activate Altar of Dementia by sacrificing the Eldrazi token.
  3. When the Eldrazi token dies, Ulamog's Dreadsire triggers, untapping Ulamog's Dreadsire.
  4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Eldrazi's power.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Thornbite Staff attached to Ulamog's Dreadsire.
  - Ulamog's Dreadsire does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant