How can you create a combo with Silvanus's Invoker, Tolarian Academy?
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[START OF COMBO]This combo can be formed with Silvanus's Invoker, Tolarian Academy

Color identity: GU
Mana cost: 
Steps:
  1. Activate Tolarian Academy by tapping it, adding at least nine {U}.
  2. Activate Silvanus's Invoker by paying {8}, causing Tolarian to become a 8/8 Elemental with haste, and untapping Tolarian Academy.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite mana lands you control can produce
  - Infinite untap of lands you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least nine artifacts.
[END OF COMBO PREREQUISITES]
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