How can you create a combo with Arbor Elf, Utopia Sprawl, Freed from the Real?
user
[START OF COMBO]This combo can be formed with Arbor Elf, Utopia Sprawl, Freed from the Real

Color identity: GU
Mana cost: 
Steps:
  1. Activate the Forest Utopia Sprawl is attached to by tapping it, adding {G} or any color it can produce.
  2. Utopia Sprawl's last ability triggers, adding {U}
  3. Activate Arbor Elf by tapping it, untapping the Forest.
  4. Activate the Aura by paying {U}, untapping Arbor Elf.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite green mana
  - Infinite mana Forests you control can produce[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Arbor Elf does not have summoning sickness.
  - "Blue" chosen with Utopia Sprawl.
[END OF COMBO PREREQUISITES]
assistant