King's Assassin

The original Royal Assassin, declawed. Royal Assassin lets you destroy any tapped creature at any time, on any turn, the moment it taps for an attack or an ability; that version of the design has been a printed card since the beginning and a genuine combat deterrent for as long. This is the budget cousin built for a beginner-focused product line, and the two restrictions stacked onto the activation tell you exactly what the design was worried about. First, the kill only works during your own turn. Second, it works only before attackers are declared. Together those clauses gut the card's defensive value: it cannot snipe an opponent's blocker after they commit, cannot punish a creature that taps to attack you, cannot react to anything on the opposing turn. What survives is a slow, one-sided edge against creatures already tapped down from the previous turn, a removal valve that demands you find the window yourself rather than letting the board hand it to you. The body is the same fragile 1/1 that has always made these assassins easy to answer before they ever tap. As a teaching-set artifact it is honest about what it is: a recognizable effect rebuilt with training wheels, the timing constraints doing the work that a higher cost or worse stats would do elsewhere.