Karn, Silver Golem + Mana Crypt + Salvaging Station

C identity

The 3 combo pieces

How to execute it

  1. Tap Crypt to add {2} to your mana pool.
  2. Pay {1} Karn's ability on Mana Crypt to make it a 0/0 Artifact Creature.
  3. Crypt dies, triggering Station's untap trigger.
  4. Tap Station to return Mana Crypt to the battlefield.
  5. You have {C} floating.
  6. Repeat until you have enough colorless mana.

What the combo produces