How can you create a combo with Roxanne, Starfall Savant, Basalt Monolith, Stolen Identity?
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[START OF COMBO]This combo can be formed with Roxanne, Starfall Savant, Basalt Monolith, Stolen Identity

Color identity: GUR
Mana cost: {4}{U}{U}
Steps:
  1. Cast Stolen Identity by paying {4}{U}{U}, creating a token copy of Basalt Monolith.
  2. Activate the token Basalt Monolith's first ability by tapping it, adding {C}{C}{C}.
  3. Roxanne's second ability triggers, adding {C}.
  4. Activate the token Basalt Monolith's second ability by paying {3}, untapping it.
  5. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Roxanne, Starfall Savant must be on the battlefield
  - Basalt Monolith must be on the battlefield
  - Stolen Identity must be in your hand
[END OF COMBO PREREQUISITES]
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