Coretapper + Magistrate's Scepter + Mirko, Obsessive Theorist + Power Conduit

UB identity

Commander legal

The 4 combo pieces

What must be in place

Magistrate's Scepter has at least one charge counter on it.
Mirko has at least 2 power.

How to execute it

  1. Activate Coretapper's second ability by sacrificing it, putting two charge counters on Magistrate's Scepter.
  2. 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.
  3. At the beginning of your end step, Mirko's last ability triggers, returning Coretapper from your graveyard to the battlefield with a finality counter on it.
  4. Activate Power Conduit by tapping it and removing the finality counter from Coretapper, putting a charge counter on Magistrate's Scepter.
  5. Repeat from step 2 each turn.

What the combo produces