Final Fortune in exile (Final Fortune exiled by Isochron Scepter).
Isochron Scepter on the battlefield.
You have Gideon of the Trials's emblem.
You control a Gideon planeswalker.
({2} magic symbol) each turn available.
Steps
Activate Isochron Scepter by paying ({2} magic symbol) , casting a copy of Final Fortune without paying its mana cost.
Resolve Final Fortune, taking an extra turn after this one.
Repeat each turn.
At the beginning of each extra turn's end step, Final Fortune triggers to cause you to lose the game, but you cannot lose the game due to Gideon of the Trials's emblem.