How can you create a combo with Zimone and Dina, Bloodghast, Thornbite Staff, Golgari Rot Farm?
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[START OF COMBO]This combo can be formed with Zimone and Dina, Bloodghast, Thornbite Staff, Golgari Rot Farm

Color identity: BGU
Mana cost: 
Steps:
  1. Activate Zimone and Dina by tapping it and sacrificing Bloodghast.
  2. When Bloodghast dies, Zimone and Dina triggers, untapping Zimone and Dina.
  3. Resolve the Zimone and Dina ability from step 1, causing you to draw a card and put Golgari Rot Farm from your hand onto the battlefield, and then repeat this process once if you control eight or more lands, putting any other land from your hand onto the battlefield instead.
  4.  When Golgari Rot Farm enters the battlefield, it and Bloodghast trigger.
  5. Resolve the Golgari Rot Farm trigger, returning it from the battlefield to your hand.
  6. Resolve the Bloodghast trigger, returning it from your graveyard to the battlefield.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite draw triggers
  - Near-infinite death triggers
  - Near-infinite enters the battlefield
  - Near-infinite landfall triggers
  - Near-infinite leaves the battlefield
  - Near-infinite sacrifice triggers
  - Put all lands from your hand and library onto the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Zimone and Dina must be on the battlefield
  - Bloodghast must be on the battlefield
  - Thornbite Staff must be on the battlefield
  - Golgari Rot Farm must be in your hand
  - Zimone and Dina does not have summoning sickness.
  - Thornbite Staff attached to Zimone and Dina.
[END OF COMBO PREREQUISITES]
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