Other creatures you control have power 3 or greater.
Mana Needed
({2} magic symbol) each turn available.
Steps
Activate a Spacecraft's station ability by tapping a creature you control, putting a number of charge counters on the Spacecraft equal to the creature's power.
If necessary, repeat step 1 until the Spacecraft has three or more charge counters on it.
Activate
Moxite Refinery by paying ({2} magic symbol) , tapping it and removing three charge counters from the Spacecraft, putting three 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.
Repeat each turn.
Notes
You can move as many charge counters from the Spacecraft to
Magistrate's Scepter. If you move more than three, you may be able to forego steps 1-3 during some turns.