How can you create a combo with Zimone and Dina, Bloodghast, Retreat to Coralhelm, Simic Growth Chamber?
user
[START OF COMBO]This combo can be formed with Zimone and Dina, Bloodghast, Retreat to Coralhelm, Simic Growth Chamber

Color identity: BGU
Mana cost: 
Steps:
  1. Activate Zimone and Dina by tapping it and sacrificing Bloodghast, causing you to draw a card and put Simic Growth Chamber 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.
  2.  When Simic Growth Chamber enters the battlefield, it, Bloodghast and Retreat to Coralhelm trigger.
  3. Resolve the Simic Growth Chamber trigger, returning it from the battlefield to your hand.
  4. Resolve the Bloodghast trigger, returning it from your graveyard to the battlefield.
  5. Resolve the Retreat to Coralhelm trigger, untapping Zimone and Dina.
  6. 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
  - Retreat to Coralhelm must be on the battlefield
  - Simic Growth Chamber must be in your hand
  - Zimone and Dina does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant