Dethrone is a triggered ability. “Dethrone” means “Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on this creature.”
May 3, 2019 · War of the Spark
Hidden agenda is a static ability that functions as a conspiracy card with hidden agenda is put into the command zone. “Hidden agenda” means “As you put this conspiracy card into the command zone, turn it face down and secretly choose a card name.”
January 25, 2019 · Ravnica Allegiance
Hidden agenda is a static ability that functions as a conspiracy card with hidden agenda is put into the command zone. "Hidden agenda" means "As you put this conspiracy card into the command zone, turn it face down and secretly choose a card name."
April 28, 2017 · Amonkhet
Hidden agenda is a static ability that functions as a conspiracy card with hidden agenda is put into the command zone. “Hidden agenda” means “As you put this conspiracy card into the command zone, turn it face down and secretly choose a card name.”
June 1, 2014 · Conspiracy
Hidden agenda is a static ability that functions as a conspiracy card with hidden agenda is put into the command zone. “Hidden agenda” means “As you put this conspiracy card into the command zone, turn it face down and secretly name a card.”