Deal combat damage using Obeka, triggering Obeka, causing you to get that many upkeep steps after this phase.
Move to your next upkeep step. At the beginning of that step, Mechanized Production triggers, causing you to create a token copy of the artifact it's attached to, and win the game if you control eight or more artifacts that share a name.
Repeat step 2 as necessary for the remaining upkeep steps until you win the game.

Win the game

Obeka, Splitter of Seconds

Mechanized Production

At the beginning of your upkeep, Court of Vantress triggers, creating a token copy of Time Sieve.
Deal combat damage using Obeka.
Obeka triggers, causing you to get at least four upkeep steps after this phase.
Repeat step 1 during each of the additional upkeep steps.
Activate the nontoken Time Sieve by tapping it and sacrificing five Time Sieve tokens, causing you to take an extra turn after this one.
Repeat each turn.

Infinite turns

Lock

Time Sieve

Court of Vantress

At the beginning of your upkeep, Thopter Spy Network's first ability triggers, creating a 1/1 Thopter artifact creature token.
Deal combat damage using Obeka.
Obeka triggers, causing you to get at least four upkeep steps after this phase.
Repeat step 1 during each of the additional upkeep steps.
Activate Time Sieve by tapping it and sacrificing five Thopters, causing you to take an extra turn after this one.
Repeat each turn.

Thopter Spy Network

Deal combat damage to an opponent using Obeka. Obeka triggers, causing you to get that many upkeep steps after this one.
Move to your first extra upkeep. At the beginning of that upkeep, Braid of Fire triggers, putting an age counter on it and adding {R} for each age counter on it.
Repeat step 2 for each other upkeep step.
During your postcombat main phase, activate Aggravated Assault by paying {3}{R}{R}, causing you to untap all creatures you control and get an additional combat and main phase after this one.
Repeat.

Infinite damage to one opponent

Infinite combat phases

Infinite red mana

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Infinite combat damage

Braid of Fire

Aggravated Assault

Leyline Tyrant

Deal combat damage to an opponent using Obeka.
Obeka triggers, causing you to get that many upkeep steps after this one.
Move to your first upkeep step.
Azor's Elocutors triggers, putting a filibuster counter on it and causing you to win the game if it has five or more filibuster counters on it.
Repeat from step 3 for each remaining upkeep step as needed.

Azor's Elocutors

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.

Magistrate's Scepter

Vedalken Infuser

At the beginning of your upkeep, Illustrious Wanderglyph triggers, creating a 1/1 Gnome artifact creature token.
Deal combat damage using Obeka.
Obeka triggers, causing you to get at least four upkeep steps after this phase.
Repeat step 1 during each of the additional upkeep steps.
Activate Time Sieve by tapping it and sacrificing five Gnomes, causing you to take an extra turn after this one.
Repeat each turn.

Combos with "Obeka, Splitter of Seconds"