The magic cards I made are absolutely flawless!

[This original Western fantasy novel, with an average daily subscription of 30000, is now complete, and the final volume is completely free.]
Why does this [Summon Card: Goblin] wear a black mask?
"Because it's a ruthless goblin bandit."
"So what's it used for?"
"It can steal your opponent's wallet."
"I'm so pissed! Who taught you to play cards like this?!"
*********
Card design can be creative, but it shouldn't be so creative that it kills people.
—Excerpt from a victim's memoir