How can you create a combo with Mary Read and Anne Bonny, Gilded Assault Cart, Xorn, Skirge Familiar?
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[START OF COMBO]This combo can be formed with Mary Read and Anne Bonny, Gilded Assault Cart, Xorn, Skirge Familiar

Color identity: UBR
Mana cost: 
Steps:
  1. Activate Skirge Familiar by discarding Gilded Assault Cart, adding {B}.
  2. Mary Read and Anne Bonny triggers, creating two tapped Treasure tokens.
  3. Activate Gilded Assault Cart by sacrificing two Treasures, returning Gilded Assault Cart from your graveyard to your hand.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite black mana
  - Infinite self-discard triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Mary Read and Anne Bonny must be on the battlefield
  - Gilded Assault Cart must be in your hand
  - Xorn must be on the battlefield
  - Skirge Familiar must be on the battlefield
[END OF COMBO PREREQUISITES]
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