How can you create a combo with Lurking Roper, Cryptolith Rite, Judge of Currents, Artificial Evolution?
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[START OF COMBO]This combo can be formed with Lurking Roper, Cryptolith Rite, Judge of Currents, Artificial Evolution

Color identity: GWU
Mana cost: {U}
Steps:
  1. Cast Artificial Evolution by paying {U}, changing all instances of "Merfolk" on Judge of Currents to "Horror" until end of turn.
  2. Activate Lurking Roper by tapping it, adding one mana of any color.
  3. Judge of Currents triggers, causing you to gain 1 life.
  4. Lurking Roper triggers, untapping itself.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite lifegain
  - Infinite lifegain triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Lurking Roper must be on the battlefield
  - Cryptolith Rite must be on the battlefield
  - Judge of Currents must be on the battlefield
  - Artificial Evolution must be in your hand
  - Lurking Roper does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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