Undercity Eliminator
{3}{B}{B}
Creature — Gorgon Assassin
Oracle Text
When this creature enters, you may sacrifice an artifact or creature. When you do, exile target creature an opponent controls.
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.