How can you create a combo with Ulamog's Dreadsire, Thornbite Staff, Carrion Feeder?
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[START OF COMBO]This combo can be formed with Ulamog's Dreadsire, Thornbite Staff, Carrion Feeder

Color identity: B
Mana cost: 
Steps:
  1. Activate Ulamog's Dreadsire by tapping it, creating a 10/10 Eldrazi creature tokens.
  2. Activate Carrion Feeder by sacrificing the Eldrazi token.
  3. When the Eldrazi token dies, Ulamog's Dreadsire triggers, untapping Ulamog's Dreadsire.
  4. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Carrion Feeder
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[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]
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