When this creature enters, you may have target opponent sacrifice a creature of their choice.
Illustrated by D. Alexander Gregory · Vintage Masters · #134
There are no rulings for Predatory Nightstalker.
When this creature enters, you may have target opponent discard a card.
Flying
Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.)
When this creature enters, if tribute wasn't paid, target opponent sacrifices a creature of their choice.
When this creature enters, you become the monarch.
Whenever you become the monarch, target player sacrifices a creature of their choice.
When this creature enters, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls.
Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, each opponent sacrifices a creature of their choice.
When this creature enters, you may sacrifice up to three Zombies. When you sacrifice one or more Zombies this way, each opponent sacrifices that many creatures of their choice.