How can you create a combo with Trazyn the Infinite, Voltaic Construct, Grim Monolith?
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[START OF COMBO]This combo can be formed with Trazyn the Infinite, Voltaic Construct, Grim Monolith

Color identity: B
Mana cost: 
Steps:
  1. Trazyn the Infinite using Grim Monolith's first activated ability by tapping it, adding {C}{C}{C}.
  2. Activate Trazyn the Infinite using Voltaic Construct's ability by paying {2}, untapping Trazyn the Infinite.
  3. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Trazyn the Infinite must be on the battlefield
  - Voltaic Construct must be in the graveyard
  - Grim Monolith must be in the graveyard
  - Trazyn the Infinite does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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