Azorius Justiciar is a uncommon Creature — Human Wizard card from Return to Ravnica (RTR), collector number 6. Current market price: $0.08 (foil $0.30), TCGplayer market prices via Scryfall.
When this creature 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.)