Karn's Bastion + Lithoform Engine + Magistrate's Scepter + Tekuthal, Inquiry Dominus

Mana needed: {6} each odd-numbered turn, with {4} available each even-numbered turn

U identity

Commander legal

The 4 combo pieces

What must be in place

Magistrate's Scepter has at least one charge counter on it.

How to execute it

  1. Activate Karn's Bastion's second ability by paying {4} and tapping it.
  2. Holding priority, activate Lithoform Engine's first ability by paying {2} and tapping it, copying Karn's Bastion's ability.
  3. Resolve both Karn's Bastion abilities, putting four charge counters on Magistrate's Scepter.
  4. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one.
  5. Move to your next turn.
  6. Activate Karn's Bastion's second ability by paying {4} and tapping it, putting two charge counters on Magistrate's Scepter.
  7. Repeat steps 4 and 5 one time.
  8. Repeat from step 1.

What the combo produces