At the beginning of your upkeep, Stasis and Illustrious Wanderglyph trigger.
Resolve the Illustrious Wanderglyph trigger, creating a 1/1 Gnome artifact creature token.
Activate Urza's first ability by tapping the Gnome, adding {U}.
Resolve the Stasis trigger, causing you to pay {U}.
Repeat during each of your turns.
As long as Stasis is on the battlefield, players skip their untap steps.

Lock

Players skip their untap steps

Stasis

Urza, Lord High Artificer

Illustrious Wanderglyph

Cast Rite of Replication with kicker by paying {7}{U}{U}, creating five token copies of Illustrious Wanderglyph.
Activate Time Sieve by tapping it and sacrificing five artifacts, ensuring to keep at least five Illustrious Wanderglyphs, causing you to take an extra turn after this one.
Move to your extra turn.
During your upkeep, each Illustrious Wanderglyph you control triggers, creating that many 1/1 Gnome artifact creature tokens.
Repeat from step 2.

Infinite turns

Time Sieve

Rite of Replication

At the beginning of your upkeep, Illustrious Wanderglyph triggers, creating an artifact token.
Activate Shuri by paying {1} and tapping it, causing the artifact token to become a copy of Mindslaver that isn't legendary.
Activate the artifact token by paying {4}, tapping and sacrificing it, causing you to gain control of target opponent during their next turn.
Repeat during each of your turns.

You control one opponent on each of their turns

Shuri, Wakandan Inventor

Mindslaver

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 "Illustrious Wanderglyph"