How can you create a combo with Aragorn, the Uniter, Cloudstone Curio, Resolute Reinforcements, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Aragorn, the Uniter, Cloudstone Curio, Resolute Reinforcements, Phyrexian Altar

Color identity: RGWU
Mana cost: {1}{W}
Steps:
  1. Cast Resolute Reinforcements by paying {1}{W}.
  2. Aragorn's first ability triggers, creating a 1/1 Human Soldier creature token.
  3. When the Human Soldier enters the battlefield, Cloudstone Curio triggers, returning nothing to your hand from the battlefield.
  4. When Resolute Reinforcements enters the battlefield, it and Cloudstone Curio trigger.
  5. Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield.
  6. Resolve the Resolute Reinforcements trigger, creating a 1/1 Soldier creature token.
  7. When the Soldier enters the battlefield, Cloudstone Curio triggers, returning Resolute Reinforcements to your hand from the battlefield.
  8. Activate Phyrexian Altar twice by sacrificing the Soldiers, adding {1}{W}.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Aragorn, the Uniter must be on the battlefield
  - Cloudstone Curio must be on the battlefield
  - Resolute Reinforcements must be in your hand
  - Phyrexian Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
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