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, taking an extra turn after this one.
Deal combat damage to an opponent using an Assassin you control.
Layla triggers, returning Coretapper from your graveyard to your hand.
Cast Coretapper by paying {2}.
Repeat each turn.

Infinite turns

Layla Hassan

Coretapper

Magistrate's Scepter

Activate Krark-Clan Ironworks by sacrificing Ugin's Nexus, adding {C}{C}.
When Ugin's Nexus is sacrificed, it is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
Move to your next turn.
Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Pull from Eternity without paying its mana cost.
Resolve Pull from Eternity, putting Ugin's Nexus from exile into your graveyard.
Deal combat damage to an opponent using an Assassin, triggering Layla Hassan, returning Ugin's Nexus from your graveyard to your hand.
Cast Ugin's Nexus by paying {5}.
Repeat.

Combos with "Layla Hassan"