Years ago, when this rule was likely established, not everyone played with opaque sleeves
You only need two dragons in hand to deal six damage with it, removing a Sheoldred, Atraxa, or chunky blocker
Were talking about Changeling Outcast, Prosperous Thief, or Faerie Seer
It's hard to see this white artifact have staying power in the best builds for long, though
Lastly, there are some assassin cards that tie into specific non-assassin themes such as Lys Alana Scarblade in elves, Goblin Assassin in goblins, Silent Assassin and Rathi Assassin in mercenaries, Unliving Psychopath in zombies or equipment decks, or Hunter of Eyeblights and Massacre Girl, Known Killer in -1/-1 counter decks
Each job select card adds a specific type to the equipped creature as well as an ability that lines up with the corresponding class from the Final Fantasy series