At the beginning of your upkeep, Vedalken Infuser triggers, putting a charge counter on Magistrate's Scepter.
At the beginning of your combat phase, Inspirit triggers, 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.
Repeat each turn.

Infinite turns

Inspirit, Flagship Vessel

Magistrate's Scepter

Vedalken Infuser

At the beginning of your upkeep, Vedalken Infuser triggers, putting a charge counter on Magistrate's Scepter.
Deal combat damage to an opponent using Obeka, triggering Obeka, causing you to get two additional upkeep steps after this one.
Repeat step 1 during each of the additional upkeep steps.
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.

Obeka, Splitter of Seconds

Cast Doppelgang by paying {6}{G}{U}, creating two token copies of Vedalken Infuser.
At the beginning of your next upkeep, each Vedalken Infuser triggers, 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 from step 2 each turn.

Doppelgang

Cast Rite of Replication with kicker by paying {7}{U}{U}, creating five token copies of Vedalken Infuser.
At the beginning of your next upkeep, each Vedalken Infuser triggers, putting three charge counters on Magistrate's Scepter and three charge counters on any artifact(s).
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 from step 2 each turn.

Combos with "Vedalken Infuser"