Skulking Killer
{3}{B}
Creature — Vampire Assassin
Oracle Text
When this creature enters, target creature an opponent controls gets -2/-2 until end of turn if that opponent controls no other creatures.
Watch Out
ETB trigger, not a cast triggerRules Note
This card's ability triggers when it enters the battlefield, not when it's cast. Effects that double ETB triggers (like Panharmonicon) work here. Countering the spell prevents the creature from entering, so the ETB won't fire.