Deck BOX/SET is also marked "USED" but all stock are "New Factory sealed"
We can trace the through-lines of inspiration every time we see a barbarians bulging biceps on a red card, especially on some of the oldest and least conservative examples
It's also very tough to permanently remove: if it dies, it returns to it's owner's hand at the beginning of the next end step, ready to cause havoc again
Poisoned A poisoned Pokmon suffers one damage counter (10 HP) at the end of each turn
In Commander, its even better because 2-mana counterspells arent considered slow, and the turns when you get to counter a 6-mana spell and follow up with your own 7+ mana spell are devastating
Dealing 20 (or more) damage each turn doesnt sound like much, but when that Poison ticks twice by the time your next turn rolls around, it adds up very quickly