How can you create a combo with Priest of Urabrask, Priest of Gix, Cloudstone Curio, Urza's Incubator?
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[START OF COMBO]This combo can be formed with Priest of Urabrask, Priest of Gix, Cloudstone Curio, Urza's Incubator

Color identity: BR
Mana cost: {B}{R}
Steps:
  1. Cast Priest of Gix by paying {B}.
  2. Priest of Gix enters the battlefield, triggering itself and Cloudstone Curio.
  3. Resolve the Priest of Gix trigger, adding {B}{B}{B}.
  4. Resolve the Cloudstone Curio trigger, returning Priest of Urabrask from the battlefield to your hand.
  5. Cast Priest of Urabrask by paying {R}.
  6. Priest of Urabrask enters the battlefield, triggering itself and Cloudstone Curio.
  7. Resolve the Priest of Urabrask trigger, adding {R}{R}{R}.
  8. Resolve the Cloudstone Curio trigger, returning Priest of Gix from the battlefield to your hand.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite black mana
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite red mana
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Priest of Urabrask must be on the battlefield
  - Priest of Gix must be in your hand
  - Cloudstone Curio must be on the battlefield
  - Urza's Incubator must be on the battlefield
  - "Human" or "Cleric" chosen with Urza's Incubator.
[END OF COMBO PREREQUISITES]
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