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

Color identity: RWB
Mana cost: {3}{R}
Steps:
  1. Cast Mardu Warshrieker by paying {3}{R}.
  2. Mardu Warshrieker enters the battlefield, triggering itself, Cloudstone Curio and Molten Echoes.
  3. Resolve the Mardu Warshrieker trigger, adding {R}{W}{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 Mardu Warshrieker with haste.
  6. The Mardu Warshrieker token enters the battlefield, triggering itself and Cloudstone Curio.
  7. Resolve the Mardu Warshrieker trigger, adding {R}{W}{B}.
  8. Resolve the Cloudstone Curio trigger, returning the nontoken Mardu Warshrieker 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 red mana
  - Infinite storm count
  - Infinite white mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Molten Echoes must be on the battlefield
  - Cloudstone Curio must be on the battlefield
  - Mardu Warshrieker must be in your hand
  - "Orc" or "Shaman" chosen with Molten Echoes.
  - You have attacked this turn.
[END OF COMBO PREREQUISITES]
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