Use Cyberdrive Awakener to make Eternity Vessel a creature.
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.
At the beginning of your combat phase, The Ozolith triggers, moving all counters from it onto Darksteel Reactor.
Darksteel Reactor triggers, causing you to win the game.

Win the game

Darksteel Reactor

Eternity Vessel

Cyberdrive Awakener

The Ozolith

Activate Phyrexian Devourer by paying {0}, exling the top card of your library and putting a number of +1/+1 counters on Phyrexian Devourer equal to that card's mana value.
If Phyrexian Devourer's power becomes seven or greater this way, it triggers.
Holding priority, repeat from step 1 until you have an empty library.
Resolve the first Phyrexian Devourer trigger, causing you to sacrifice it.
When Phyrexian Devourer leaves the battlefield, The Ozolith triggers, putting a number of +1/+1 counters onto itself equal to the number Phyrexian Devourer had.
At the beginning of combat, The Ozolith triggers, moving its counters from itself to Hallar.
Cast any kicker or multikicker spell with kicker by paying its mana cost plus its kicker cost.
Hallar triggers, putting a +1/+1 counter on itself, then dealing damage equal to the number of +1/+1 counters on it to each opponent.

Exile your library

Near-infinite +1/+1 counters on a creature

Near-infinite damage

Spell with Kicker or Multikicker

Hallar, the Firefletcher

Phyrexian Devourer

Activate Mimic Vat by paying {3} and tapping it, creating a token copy of a creature with haste that enters with at least five +1/+1 counters on it and creating a delayed triggered ability.
At the beginning of your end step, the delayed triggered ability from Mimic Vat triggers, exiling the creature token.
When the token leaves the battlefield, The Ozolith triggers, putting at least five +1/+1 counters on Sage of Hours.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Repeat each turn.

Infinite turns

Lock

Creature that enters with at least five +1/+1 counters

Sage of Hours

Mimic Vat

Cast Body of Research by paying {G}{G}{G}{U}{U}{U}, creating a 0/0 Fractal creature token and then putting a number of +1/+1 counters on it equal to your deck size.
Kill the Fractal, triggering The Ozolith, moving the Fractal's counters onto The Ozolith.
At the beginning of your combat phase, The Ozolith triggers, moving its counters onto Walking Archive.
At the beginning of each opponent's upkeep, they will draw cards equal to the number of counters on Walking Archive. This should result in them drawing from an empty library either during their upkeep or their subsequent draw step, and thus losing the game.

Infinite card draw for opponents

Infinite draw triggers for each opponent

Each opponent loses the game at the beginning of their next upkeep

Walking Archive

Body of Research

During your precombat main phase, activate Contagion Engine by paying {6} and tapping it, putting two eon counters on Magosi.
Activate Magosi's third ability by tapping it, removing an eon counter from it and returning it from the battlefield to your hand.
When Magosi leaves the battlefield, The Ozolith's first ability triggers, putting an eon counter on The Ozolith.
Resolve the Magosi ability, causing you to take an extra turn after this one.
Play Magosi.
At the beginning of your combat phase, The Ozolith triggers, putting two eon counters on Magosi.
Repeat each turn.

Magosi, the Waterveil

Contagion Engine

Nature's Revolt

Cast Body of Research by paying {G}{G}{G}{U}{U}{U}, creating a 0/0 Fractal creature token, then putting a number of +1/+1 counters on it equal to your deck size.
Cause the Fractal to leave the battlefield.
The Ozolith triggers, putting a number of +1/+1 counters onto itself equal to the number the Fractal had.
At the beginning of combat, The Ozolith triggers, moving its counters from itself to Hallar.
Cast any kicker or multikicker spell with kicker by paying its mana cost plus its kicker cost.
Hallar triggers, putting a +1/+1 counter on itself, then dealing damage equal to the number of +1/+1 counters on it to each opponent.

Cast Polukranos Unchained from your graveyard for its escape cost by paying {4}{B}{G} and exiling six other cards from your graveyard, causing it to enter the battlefield with twelve +1/+1 counters on it.
Activate Altar of Dementia by sacrificing Polukranos Unchained.
When Polukranos Unchained dies, The Ozolith's first ability triggers, putting twelve +1/+1 counters on it.
Resolve the Altar of Dementia ability, causing you to mill cards equal to Polukranos Unchained's power.
At the beginning of your combat phase, The Ozolith's second ability triggers, moving the +1/+1 counters from it onto Sage of Hours.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least two extra turns after this one.
Repeat during your second extra turn.

Combos with "The Ozolith"