Keyword: Detain

When Tax Collector enters, choose one —
• Tax — Until your next turn, spells your opponents cast cost more to cast.
• Arrest — Detain target creature an opponent controls. (Until your next turn, that creature can’t attack or block and its activated abilities can’t be activated.)

When Tax Collector enters, choose one —
• Tax — Until your next turn, spells your opponents cast cost more to cast.
• Arrest — Detain target creature an opponent controls. (Until your next turn, that creature can’t attack or block and its activated abilities can’t be activated.)

Protection from red
When Lavinia of the Tenth enters, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can’t attack or block and their activated abilities can’t be activated.)

When Azorius Arrester enters, detain target creature an opponent controls. (Until your next turn, that creature can’t attack or block and its activated abilities can’t be activated.)

When Azorius Justiciar enters, detain up to two target creatures your opponents control. (Until your next turn, those creatures can’t attack or block and their activated abilities can’t be activated.)

Creatures opponents control entering the battlefield don’t cause backup abilities to trigger.
At the beginning of your combat step, detain target creature with backup or vehicle an opponent controls. (Until your next turn, that permanent can’t attack or block and its activated abilities can’t be activated.)

Flying
When Lyev Skyknight enters, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can’t attack or block and its activated abilities can’t be activated.)

Flying
Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can’t attack or block and their activated abilities can’t be activated.)

Flying
When Lyev Skyknight enters, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can’t attack or block and its activated abilities can’t be activated.)

When Azorius Justiciar enters, detain up to two target creatures your opponents control. (Until your next turn, those creatures can’t attack or block and their activated abilities can’t be activated.)

Protection from red
When Lavinia of the Tenth enters, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can’t attack or block and their activated abilities can’t be activated.)

Detain up to two target creatures your opponents control. (Until your next turn, those creatures can’t attack or block and their activated abilities can’t be activated.)

Protection from red
When Lavinia of the Tenth enters, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can’t attack or block and their activated abilities can’t be activated.)