How can you create a combo with Molten Echoes, Cloudstone Curio, Priest of Gix?
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[START OF COMBO]This combo can be formed with Molten Echoes, Cloudstone Curio, Priest of Gix

Color identity: BR
Mana cost: {2}{B}
Steps:
  1. Cast Priest of Gix by paying {2}{B}.
  2. Priest of Gix enters the battlefield, triggering itself, Cloudstone Curio and Molten Echoes.
  3. Resolve the Priest of Gix trigger, adding {B}{B}{B}.
  4. Resolve the Cloudstone Curio trigger, choosing to return nothing from the battlefield to your hand.
  5. Resolve the Molten Echoes trigger, creating a token copy of Priest of Gix with haste.
  6. The Priest of Gix token enters the battlefield, triggering itself and Cloudstone Curio.
  7. Resolve the Priest of Gix trigger, adding {B}{B}{B}.
  8. Resolve the Cloudstone Curio trigger, returning the nontoken Priest of Gix from the battlefield to your hand.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite black mana
  - Infinite creature tokens with haste
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Molten Echoes must be on the battlefield
  - Cloudstone Curio must be on the battlefield
  - Priest of Gix must be in your hand
  - "Human", "Cleric", or "Minion" chosen with Molten Echoes.
[END OF COMBO PREREQUISITES]
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