At the beginning of your upkeep, Stasis and Generous Plunderer's first ability trigger.
Resolve the Generous Plunderer trigger, causing you to create a Treasure token and causing an opponent to create a tapped Treasure token.
Activate the Treasure by tapping and sacrificing it, 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.

Players skip their untap steps

Lock

Stasis

Generous Plunderer

At the beginning of your upkeep, Generous Plunderer 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.

Combos with "Generous Plunderer"