While the term often refers to creatures with activated abilities that tap creatures, like Benalish Trapper and Gideon's Lawmaker, it encompasses ETB triggers, instants, sorceries, and planeswalkers that tap opposing permanents
Coercive Recruiter isnt broken, but the continuous threaten effect breaks through a stalled board state marvelously to force the last point of damage in with your pirate deck
To this day no one is quite sure whether to call white-blue White-Blue, Azorius, Tundra, or simply It's Not Progress
Still, its cool to see how a franchise many people love was handled in MTG form, and it gives me hope that future sets like Avatar: The Last Airbender might actually hold my attention (no Commander decks for Spider-Man !)
Magic Mirror , Maleficent Sorceress , The Queen Wicked and Vain and Friends On The Other Side from The First Chapter are all obvious choices here