How can you create a combo with Fain, the Broker, Thornbite Staff, Crystalline Crawler, Tenacious Dead?
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[START OF COMBO]This combo can be formed with Fain, the Broker, Thornbite Staff, Crystalline Crawler, Tenacious Dead

Color identity: B
Mana cost: {1}{B}
Steps:
  1. Activate Fain's first ability by tapping it and sacrificing Tenacious Dead.
  2.  Tenacious Dead dies, triggering itself and Fain.
  3. Resolve the Fain trigger, untapping it.
  4. Resolve the Tenacious Dead trigger, causing you to pay {1}{B} to return it from your graveyard to the battlefield tapped.
  5. Resolve the Fain ability from step 1, putting two +1/+1 counters on Crystalline Crawler.
  6. Activate Crystalline Crawler's first ability twice by removing two counters from it, adding {B}{B}.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - 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 Fain.
  - Fain does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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