Staunch Throneguard
{5}
Artifact Creature — Construct
Oracle Text
Vigilance
When this creature enters, you become the monarch.
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.