Darksteel Reactor | Eternity Vessel | The Ozolith (and one other card)

Cards

Darksteel Reactor has at least as many charge counters on it as 20 minus your life total.

You have a way to cause
Eternity Vessel to leave the battlefield at instant speed.
There is at least one counter of any kind on
The Ozolith.

At the beginning of combat,
Mishra and
The Ozolith trigger.
Resolve the
Mishra trigger, creating an artifact creature token copy of
Eternity Vessel that enters with a number of charge counters equal to your life total.
In response to the remaining trigger, cause
Eternity Vessel to leave the battlefield.
The Ozolith triggers, putting a number of charge counters on itself equal to the charge counters that were on
Eternity Vessel.
Resolve
The Ozolith trigger from step 1, moving all counters from it onto
Darksteel Reactor.
Darksteel Reactor triggers, causing you to win the game.

This combo has been estimated to be Exhibition (Bracket 1+).