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

Color identity: B
Mana cost: 
Steps:
  1. Activate Fain's first ability by tapping it and sacrificing Gravecrawler.
  2.  Gravecrawler dies, triggering Fain, untapping it.
  3. Resolve the Fain ability from step 1, putting two +1/+1 counters on Crystalline Crawler.
  4. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {B}.
  5. Cast Gravecrawler from your graveyard by paying {B}.
  6. Repeat.
  7. Once you have infinite mana and counters, you may instead activate Fain's other abilities.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters
  - Infinite colored mana
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite Treasure tokens[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.
  - You control at least one additional Zombie.
[END OF COMBO PREREQUISITES]
assistant