Obeka has power 4 or greater and cannot be blocked by an opponent.
You are the monarch.

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.

Obeka has power 4 or greater and cannot be blocked by an opponent.
You are the monarch.

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.

Obeka has power greater than or equal to five minus the number of filibuster counters on Azor's Elocutors.
Obeka does not have summoning sickness and cannot be blocked by an opponent.

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.

Obeka has power 4 or greater and cannot be blocked by an opponent.
You are the monarch.

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.