How can you create a combo with Ghalta, Stampede Tyrant, Cloudstone Curio, Spark Double?
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[START OF COMBO]This combo can be formed with Ghalta, Stampede Tyrant, Cloudstone Curio, Spark Double

Color identity: GU
Mana cost: {5}{G}{G}{G}
Steps:
  1. Cast Ghalta by paying {5}{G}{G}{G}.
  2. When Ghalta enters the battlefield, it and Cloudstone Curio trigger.
  3. Resolve the Cloudstone Curio trigger, returning Spark Double to your hand if its on the battlefield, or returning nothing to your hand otherwise.
  4. Resolve the Ghalta trigger, putting Spark Double onto the battlefield as a copy of Ghalta from your hand.
  5. When Spark Double enters the battlefield, it and Cloudstone Curio trigger.
  6. Resolve the Cloudstone Curio trigger, returning Ghalta to your hand from the battlefield.
  7. Resolve the Spark Double trigger, putting Ghalta onto the battlefield from your hand.
  8. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite leaves the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Ghalta, Stampede Tyrant must be in your hand
  - Cloudstone Curio must be on the battlefield
  - Spark Double must be in your hand or on the battlefield
[END OF COMBO PREREQUISITES]
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