How can you create a combo with Karn, Silver Golem, Salvaging Station, Grinding Station, Mana Vault?
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[START OF COMBO]This combo can be formed with Karn, Silver Golem, Salvaging Station, Grinding Station, Mana Vault

Color identity: C
Mana cost: 
Steps:
  1. Activate Mana Vault by tapping it, adding {C}{C}{C}.
  2. Activate Karn by paying {1}, causing Mana Vault to become an artifact creature until end of turn.
  3. Activate Grinding Station by tapping it and sacrificing Mana Vault.
  4. When Mana Vault dies, Salvaging Station triggers, untapping Salvaging Station.
  5. Resolve the Grinding Station ability, causing target player to mill three cards.
  6. Activate Salvaging Station by tapping it, returning Mana Vault from your graveyard to the battlefield.
  7. When Mana Vault enters the battlefield, Grinding Station triggers, untapping Grinding Station.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
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