({1} magic symbol) ({BP} magic symbol) each turn available.
Steps
Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
Activate Coretapper's second ability by sacrificing it, putting two charge counters on Magistrate's Scepter.
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.
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.
Activate Hex Parasite by paying ({1} magic symbol) ({BP} magic symbol) , removing the finality counter from Coretapper and giving Hex Parasite +1/+0 until end of turn.