Lithoform Engine + Mana Vault + Tezzeret the Seeker

U identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Tezzeret the Seeker's first ability by putting a loyalty counter on it.
  2. Holding priority, activate Mana Vault by tapping it, adding {C}{C}{C}.
  3. Activate Lithoform Engine's first ability by paying {2} and tapping it, copying Tezzeret the Seeker's ability, targeting Lithoform Engine and Mana Vault.
  4. Resolve the copy of Tezzeret the Seeker's ability, untapping Mana Vault and Lithoform Engine.
  5. Repeat from step 2.

What the combo produces