How can you create a combo with Voltaic Construct, The Blackstaff of Waterdeep, Basalt Monolith?
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[START OF COMBO]This combo can be formed with Voltaic Construct, The Blackstaff of Waterdeep, Basalt Monolith

Color identity: U
Mana cost: {U}
Steps:
  1. Activate Basalt Monolith's first ability by tapping it, adding {C}{C}{C}.
  2. Activate The Blackstaff of Waterdeep by paying {1}{U} and tapping it, causing Basalt Monolith to become an artifact creature until end of turn.
  3. Activate Voltaic Construct by paying {2}, untapping Basalt Monolith.
  4. Activate Basalt Monolith's first ability by tapping it, adding {C}{C}{C}.
  5. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite untap of artifact creatures you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Basalt Monolith does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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