Azorius Traffic Enforcement (Unknown Event #RW03a)

Azorius Traffic Enforcement {2}{W}

Creature — Human Soldier

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.)

2/3
Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny