How can you create a combo with Malcolm, Keen-Eyed Navigator, Street Urchin, Xorn?
user
[START OF COMBO]This combo can be formed with Malcolm, Keen-Eyed Navigator, Street Urchin, Xorn

Color identity: UR
Mana cost: {1}
Steps:
  1. Activate your commander by paying {1} and sacrificing another creature or artifact, dealing 1 damage to an opponent.
  2. Malcolm triggers, creating two Treasure tokens.
  3. Activate a Treasure token by tapping and sacrificing it, adding {1}.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control your commander, and your commander is a Pirate.
  - You control at least one additional creature or artifact.
[END OF COMBO PREREQUISITES]
assistant